Home / 38,266,864.79-52,807,562.48-20,863,360.31

Finding the Fourth Proportional to 38,266,864.79, 52,807,562.48 and 20,863,360.31

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Solution

The fourth proportional to 38,266,864.79, 52,807,562.48 and 20,863,360.31 is: 28,791,049.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,266,864.79 : 52,807,562.48 = 20,863,360.31 : x
  2. Step 2: Convert to fraction form
    38,266,864.79/52,807,562.48 = 20,863,360.31/x
  3. Step 3: Cross multiply
    38,266,864.79x = 52,807,562.48 × 20,863,360.31
  4. Step 4: Simplify right side
    38,266,864.79x = 1,101,743,202,901,197.75
  5. Step 5: Solve for x
    x = 1,101,743,202,901,197.75/38,266,864.79
  6. Step 6: Final answer
    x = 28,791,049.62

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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.