Home / 21,137,617.74-29,169,748.11-11,479,825.74

Finding the Fourth Proportional to 21,137,617.74, 29,169,748.11 and 11,479,825.74

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Solution

The fourth proportional to 21,137,617.74, 29,169,748.11 and 11,479,825.74 is: 15,842,070.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,137,617.74 : 29,169,748.11 = 11,479,825.74 : x
  2. Step 2: Convert to fraction form
    21,137,617.74/29,169,748.11 = 11,479,825.74/x
  3. Step 3: Cross multiply
    21,137,617.74x = 29,169,748.11 × 11,479,825.74
  4. Step 4: Simplify right side
    21,137,617.74x = 334,863,625,182,494.38
  5. Step 5: Solve for x
    x = 334,863,625,182,494.38/21,137,617.74
  6. Step 6: Final answer
    x = 15,842,070.25

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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.