Home / 12,755,737.90-19,133,606.85-12,259,726.30

Finding the Fourth Proportional to 12,755,737.90, 19,133,606.85 and 12,259,726.30

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Solution

The fourth proportional to 12,755,737.90, 19,133,606.85 and 12,259,726.30 is: 18,389,589.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,755,737.90 : 19,133,606.85 = 12,259,726.30 : x
  2. Step 2: Convert to fraction form
    12,755,737.90/19,133,606.85 = 12,259,726.30/x
  3. Step 3: Cross multiply
    12,755,737.90x = 19,133,606.85 × 12,259,726.30
  4. Step 4: Simplify right side
    12,755,737.90x = 234,572,783,112,805.19
  5. Step 5: Solve for x
    x = 234,572,783,112,805.19/12,755,737.90
  6. Step 6: Final answer
    x = 18,389,589.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.