Home / 20,027,548.89-30,053,658.02-7,894,947.69

Finding the Fourth Proportional to 20,027,548.89, 30,053,658.02 and 7,894,947.69

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Solution

The fourth proportional to 20,027,548.89, 30,053,658.02 and 7,894,947.69 is: 11,847,283.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,027,548.89 : 30,053,658.02 = 7,894,947.69 : x
  2. Step 2: Convert to fraction form
    20,027,548.89/30,053,658.02 = 7,894,947.69/x
  3. Step 3: Cross multiply
    20,027,548.89x = 30,053,658.02 × 7,894,947.69
  4. Step 4: Simplify right side
    20,027,548.89x = 237,272,057,921,574.25
  5. Step 5: Solve for x
    x = 237,272,057,921,574.25/20,027,548.89
  6. Step 6: Final answer
    x = 11,847,283.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.