Home / 14,520,106.80-21,780,160.20-14,268,164.40

Finding the Fourth Proportional to 14,520,106.80, 21,780,160.20 and 14,268,164.40

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Solution

The fourth proportional to 14,520,106.80, 21,780,160.20 and 14,268,164.40 is: 21,402,246.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,520,106.80 : 21,780,160.20 = 14,268,164.40 : x
  2. Step 2: Convert to fraction form
    14,520,106.80/21,780,160.20 = 14,268,164.40/x
  3. Step 3: Cross multiply
    14,520,106.80x = 21,780,160.20 × 14,268,164.40
  4. Step 4: Simplify right side
    14,520,106.80x = 310,762,906,391,936.88
  5. Step 5: Solve for x
    x = 310,762,906,391,936.88/14,520,106.80
  6. Step 6: Final answer
    x = 21,402,246.60

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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.