Home / 21,447,396.57-29,597,617.59-11,657,834.73

Finding the Fourth Proportional to 21,447,396.57, 29,597,617.59 and 11,657,834.73

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Solution

The fourth proportional to 21,447,396.57, 29,597,617.59 and 11,657,834.73 is: 16,087,926.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,447,396.57 : 29,597,617.59 = 11,657,834.73 : x
  2. Step 2: Convert to fraction form
    21,447,396.57/29,597,617.59 = 11,657,834.73/x
  3. Step 3: Cross multiply
    21,447,396.57x = 29,597,617.59 × 11,657,834.73
  4. Step 4: Simplify right side
    21,447,396.57x = 345,044,134,265,960.94
  5. Step 5: Solve for x
    x = 345,044,134,265,960.94/21,447,396.57
  6. Step 6: Final answer
    x = 16,087,926.25

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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.