Home / 21,513,381.66-29,687,603.01-11,723,617.29

Finding the Fourth Proportional to 21,513,381.66, 29,687,603.01 and 11,723,617.29

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Solution

The fourth proportional to 21,513,381.66, 29,687,603.01 and 11,723,617.29 is: 16,178,121.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,513,381.66 : 29,687,603.01 = 11,723,617.29 : x
  2. Step 2: Convert to fraction form
    21,513,381.66/29,687,603.01 = 11,723,617.29/x
  3. Step 3: Cross multiply
    21,513,381.66x = 29,687,603.01 × 11,723,617.29
  4. Step 4: Simplify right side
    21,513,381.66x = 348,046,095,946,692.06
  5. Step 5: Solve for x
    x = 348,046,095,946,692.06/21,513,381.66
  6. Step 6: Final answer
    x = 16,178,121.20

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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.