Home / 29,135,718.52-40,208,243.20-15,905,600.88

Finding the Fourth Proportional to 29,135,718.52, 40,208,243.20 and 15,905,600.88

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Solution

The fourth proportional to 29,135,718.52, 40,208,243.20 and 15,905,600.88 is: 21,950,248.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,135,718.52 : 40,208,243.20 = 15,905,600.88 : x
  2. Step 2: Convert to fraction form
    29,135,718.52/40,208,243.20 = 15,905,600.88/x
  3. Step 3: Cross multiply
    29,135,718.52x = 40,208,243.20 × 15,905,600.88
  4. Step 4: Simplify right side
    29,135,718.52x = 639,536,268,425,174.12
  5. Step 5: Solve for x
    x = 639,536,268,425,174.12/29,135,718.52
  6. Step 6: Final answer
    x = 21,950,248.73

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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.