Home / 20,654,246.72-28,502,703.17-11,361,617.19

Finding the Fourth Proportional to 20,654,246.72, 28,502,703.17 and 11,361,617.19

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Solution

The fourth proportional to 20,654,246.72, 28,502,703.17 and 11,361,617.19 is: 15,678,945.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,654,246.72 : 28,502,703.17 = 11,361,617.19 : x
  2. Step 2: Convert to fraction form
    20,654,246.72/28,502,703.17 = 11,361,617.19/x
  3. Step 3: Cross multiply
    20,654,246.72x = 28,502,703.17 × 11,361,617.19
  4. Step 4: Simplify right side
    20,654,246.72x = 323,836,802,240,931.38
  5. Step 5: Solve for x
    x = 323,836,802,240,931.38/20,654,246.72
  6. Step 6: Final answer
    x = 15,678,945.19

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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.