Home / 16,688,691.59-23,027,763.75-9,720,515.93

Finding the Fourth Proportional to 16,688,691.59, 23,027,763.75 and 9,720,515.93

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Solution

The fourth proportional to 16,688,691.59, 23,027,763.75 and 9,720,515.93 is: 13,412,779.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,688,691.59 : 23,027,763.75 = 9,720,515.93 : x
  2. Step 2: Convert to fraction form
    16,688,691.59/23,027,763.75 = 9,720,515.93/x
  3. Step 3: Cross multiply
    16,688,691.59x = 23,027,763.75 × 9,720,515.93
  4. Step 4: Simplify right side
    16,688,691.59x = 223,841,744,364,151.53
  5. Step 5: Solve for x
    x = 223,841,744,364,151.53/16,688,691.59
  6. Step 6: Final answer
    x = 13,412,779.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.