Home / 20,416,377.92-28,174,246.79-11,124,024.35

Finding the Fourth Proportional to 20,416,377.92, 28,174,246.79 and 11,124,024.35

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Solution

The fourth proportional to 20,416,377.92, 28,174,246.79 and 11,124,024.35 is: 15,350,960.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,416,377.92 : 28,174,246.79 = 11,124,024.35 : x
  2. Step 2: Convert to fraction form
    20,416,377.92/28,174,246.79 = 11,124,024.35/x
  3. Step 3: Cross multiply
    20,416,377.92x = 28,174,246.79 × 11,124,024.35
  4. Step 4: Simplify right side
    20,416,377.92x = 313,411,007,138,378
  5. Step 5: Solve for x
    x = 313,411,007,138,378/20,416,377.92
  6. Step 6: Final answer
    x = 15,350,960.31

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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.