Home / 15,915,680.50-21,913,279.77-14,461,024.18

Finding the Fourth Proportional to 15,915,680.50, 21,913,279.77 and 14,461,024.18

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Solution

The fourth proportional to 15,915,680.50, 21,913,279.77 and 14,461,024.18 is: 19,910,456.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,915,680.50 : 21,913,279.77 = 14,461,024.18 : x
  2. Step 2: Convert to fraction form
    15,915,680.50/21,913,279.77 = 14,461,024.18/x
  3. Step 3: Cross multiply
    15,915,680.50x = 21,913,279.77 × 14,461,024.18
  4. Step 4: Simplify right side
    15,915,680.50x = 316,888,468,617,074.81
  5. Step 5: Solve for x
    x = 316,888,468,617,074.81/15,915,680.50
  6. Step 6: Final answer
    x = 19,910,456.77

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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.