Home / 21,630,101.31-29,849,537.55-11,840,552.13

Finding the Fourth Proportional to 21,630,101.31, 29,849,537.55 and 11,840,552.13

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Solution

The fourth proportional to 21,630,101.31, 29,849,537.55 and 11,840,552.13 is: 16,339,960.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,630,101.31 : 29,849,537.55 = 11,840,552.13 : x
  2. Step 2: Convert to fraction form
    21,630,101.31/29,849,537.55 = 11,840,552.13/x
  3. Step 3: Cross multiply
    21,630,101.31x = 29,849,537.55 × 11,840,552.13
  4. Step 4: Simplify right side
    21,630,101.31x = 353,435,005,417,167.50
  5. Step 5: Solve for x
    x = 353,435,005,417,167.50/21,630,101.31
  6. Step 6: Final answer
    x = 16,339,960.70

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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.