Home / 42,646,177.28-63,969,216.60-13,892,266.88

Finding the Fourth Proportional to 42,646,177.28, 63,969,216.60 and 13,892,266.88

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Solution

The fourth proportional to 42,646,177.28, 63,969,216.60 and 13,892,266.88 is: 20,838,384.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,646,177.28 : 63,969,216.60 = 13,892,266.88 : x
  2. Step 2: Convert to fraction form
    42,646,177.28/63,969,216.60 = 13,892,266.88/x
  3. Step 3: Cross multiply
    42,646,177.28x = 63,969,216.60 × 13,892,266.88
  4. Step 4: Simplify right side
    42,646,177.28x = 888,677,429,111,726.25
  5. Step 5: Solve for x
    x = 888,677,429,111,726.25/42,646,177.28
  6. Step 6: Final answer
    x = 20,838,384.25

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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.