Home / 14,688,200.70-22,032,301.05-13,680,431.10

Finding the Fourth Proportional to 14,688,200.70, 22,032,301.05 and 13,680,431.10

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Solution

The fourth proportional to 14,688,200.70, 22,032,301.05 and 13,680,431.10 is: 20,520,646.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,688,200.70 : 22,032,301.05 = 13,680,431.10 : x
  2. Step 2: Convert to fraction form
    14,688,200.70/22,032,301.05 = 13,680,431.10/x
  3. Step 3: Cross multiply
    14,688,200.70x = 22,032,301.05 × 13,680,431.10
  4. Step 4: Simplify right side
    14,688,200.70x = 301,411,376,488,982.69
  5. Step 5: Solve for x
    x = 301,411,376,488,982.69/14,688,200.70
  6. Step 6: Final answer
    x = 20,520,646.65

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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.