Home / 21,071,768.24-29,083,727.92-12,810,079.13

Finding the Fourth Proportional to 21,071,768.24, 29,083,727.92 and 12,810,079.13

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Solution

The fourth proportional to 21,071,768.24, 29,083,727.92 and 12,810,079.13 is: 17,680,759.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,071,768.24 : 29,083,727.92 = 12,810,079.13 : x
  2. Step 2: Convert to fraction form
    21,071,768.24/29,083,727.92 = 12,810,079.13/x
  3. Step 3: Cross multiply
    21,071,768.24x = 29,083,727.92 × 12,810,079.13
  4. Step 4: Simplify right side
    21,071,768.24x = 372,564,855,897,165.38
  5. Step 5: Solve for x
    x = 372,564,855,897,165.38/21,071,768.24
  6. Step 6: Final answer
    x = 17,680,759.00

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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.