Home / 39,905,782.38-55,071,612.45-25,216,088.13

Finding the Fourth Proportional to 39,905,782.38, 55,071,612.45 and 25,216,088.13

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Solution

The fourth proportional to 39,905,782.38, 55,071,612.45 and 25,216,088.13 is: 34,799,233.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,905,782.38 : 55,071,612.45 = 25,216,088.13 : x
  2. Step 2: Convert to fraction form
    39,905,782.38/55,071,612.45 = 25,216,088.13/x
  3. Step 3: Cross multiply
    39,905,782.38x = 55,071,612.45 × 25,216,088.13
  4. Step 4: Simplify right side
    39,905,782.38x = 1,388,690,633,000,405.25
  5. Step 5: Solve for x
    x = 1,388,690,633,000,405.25/39,905,782.38
  6. Step 6: Final answer
    x = 34,799,233.35

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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.