Home / 18,686,326.40-28,029,489.60-14,907,190.40

Finding the Fourth Proportional to 18,686,326.40, 28,029,489.60 and 14,907,190.40

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Solution

The fourth proportional to 18,686,326.40, 28,029,489.60 and 14,907,190.40 is: 22,360,785.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,686,326.40 : 28,029,489.60 = 14,907,190.40 : x
  2. Step 2: Convert to fraction form
    18,686,326.40/28,029,489.60 = 14,907,190.40/x
  3. Step 3: Cross multiply
    18,686,326.40x = 28,029,489.60 × 14,907,190.40
  4. Step 4: Simplify right side
    18,686,326.40x = 417,840,938,282,019.88
  5. Step 5: Solve for x
    x = 417,840,938,282,019.88/18,686,326.40
  6. Step 6: Final answer
    x = 22,360,785.60

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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.