Home / 17,739,818.40-26,609,727.60-12,071,114.40

Finding the Fourth Proportional to 17,739,818.40, 26,609,727.60 and 12,071,114.40

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Solution

The fourth proportional to 17,739,818.40, 26,609,727.60 and 12,071,114.40 is: 18,106,671.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,739,818.40 : 26,609,727.60 = 12,071,114.40 : x
  2. Step 2: Convert to fraction form
    17,739,818.40/26,609,727.60 = 12,071,114.40/x
  3. Step 3: Cross multiply
    17,739,818.40x = 26,609,727.60 × 12,071,114.40
  4. Step 4: Simplify right side
    17,739,818.40x = 321,209,066,012,437.44
  5. Step 5: Solve for x
    x = 321,209,066,012,437.44/17,739,818.40
  6. Step 6: Final answer
    x = 18,106,671.60

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.