Home / 38,347,882.52-52,921,223.89-20,945,048.72

Finding the Fourth Proportional to 38,347,882.52, 52,921,223.89 and 20,945,048.72

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Solution

The fourth proportional to 38,347,882.52, 52,921,223.89 and 20,945,048.72 is: 28,904,793.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,347,882.52 : 52,921,223.89 = 20,945,048.72 : x
  2. Step 2: Convert to fraction form
    38,347,882.52/52,921,223.89 = 20,945,048.72/x
  3. Step 3: Cross multiply
    38,347,882.52x = 52,921,223.89 × 20,945,048.72
  4. Step 4: Simplify right side
    38,347,882.52x = 1,108,437,612,381,109.25
  5. Step 5: Solve for x
    x = 1,108,437,612,381,109.25/38,347,882.52
  6. Step 6: Final answer
    x = 28,904,793.16

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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.