Home / 40,386,685.92-55,733,406.12-22,051,840.20

Finding the Fourth Proportional to 40,386,685.92, 55,733,406.12 and 22,051,840.20

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Solution

The fourth proportional to 40,386,685.92, 55,733,406.12 and 22,051,840.20 is: 30,431,419.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,386,685.92 : 55,733,406.12 = 22,051,840.20 : x
  2. Step 2: Convert to fraction form
    40,386,685.92/55,733,406.12 = 22,051,840.20/x
  3. Step 3: Cross multiply
    40,386,685.92x = 55,733,406.12 × 22,051,840.20
  4. Step 4: Simplify right side
    40,386,685.92x = 1,229,024,165,559,942
  5. Step 5: Solve for x
    x = 1,229,024,165,559,942/40,386,685.92
  6. Step 6: Final answer
    x = 30,431,419.11

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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.