Home / 15,487,957.98-21,373,901.19-8,518,930.20

Finding the Fourth Proportional to 15,487,957.98, 21,373,901.19 and 8,518,930.20

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Solution

The fourth proportional to 15,487,957.98, 21,373,901.19 and 8,518,930.20 is: 11,756,409.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,487,957.98 : 21,373,901.19 = 8,518,930.20 : x
  2. Step 2: Convert to fraction form
    15,487,957.98/21,373,901.19 = 8,518,930.20/x
  3. Step 3: Cross multiply
    15,487,957.98x = 21,373,901.19 × 8,518,930.20
  4. Step 4: Simplify right side
    15,487,957.98x = 182,082,772,339,306.94
  5. Step 5: Solve for x
    x = 182,082,772,339,306.94/15,487,957.98
  6. Step 6: Final answer
    x = 11,756,409.24

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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.