Home / 41,398,861.72-61,807,207.91-31,632,361.24

Finding the Fourth Proportional to 41,398,861.72, 61,807,207.91 and 31,632,361.24

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Solution

The fourth proportional to 41,398,861.72, 61,807,207.91 and 31,632,361.24 is: 47,226,127.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,398,861.72 : 61,807,207.91 = 31,632,361.24 : x
  2. Step 2: Convert to fraction form
    41,398,861.72/61,807,207.91 = 31,632,361.24/x
  3. Step 3: Cross multiply
    41,398,861.72x = 61,807,207.91 × 31,632,361.24
  4. Step 4: Simplify right side
    41,398,861.72x = 1,955,107,927,844,905.25
  5. Step 5: Solve for x
    x = 1,955,107,927,844,905.25/41,398,861.72
  6. Step 6: Final answer
    x = 47,226,127.64

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.