Home / 40,314,937.88-55,639,337.44-22,913,898.78

Finding the Fourth Proportional to 40,314,937.88, 55,639,337.44 and 22,913,898.78

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Solution

The fourth proportional to 40,314,937.88, 55,639,337.44 and 22,913,898.78 is: 31,623,864.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,314,937.88 : 55,639,337.44 = 22,913,898.78 : x
  2. Step 2: Convert to fraction form
    40,314,937.88/55,639,337.44 = 22,913,898.78/x
  3. Step 3: Cross multiply
    40,314,937.88x = 55,639,337.44 × 22,913,898.78
  4. Step 4: Simplify right side
    40,314,937.88x = 1,274,914,146,286,424.25
  5. Step 5: Solve for x
    x = 1,274,914,146,286,424.25/40,314,937.88
  6. Step 6: Final answer
    x = 31,623,864.83

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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.