Home / 28,392,814.20-42,589,221.30-13,248,276.60

Finding the Fourth Proportional to 28,392,814.20, 42,589,221.30 and 13,248,276.60

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Solution

The fourth proportional to 28,392,814.20, 42,589,221.30 and 13,248,276.60 is: 19,872,414.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,392,814.20 : 42,589,221.30 = 13,248,276.60 : x
  2. Step 2: Convert to fraction form
    28,392,814.20/42,589,221.30 = 13,248,276.60/x
  3. Step 3: Cross multiply
    28,392,814.20x = 42,589,221.30 × 13,248,276.60
  4. Step 4: Simplify right side
    28,392,814.20x = 564,233,783,961,011.50
  5. Step 5: Solve for x
    x = 564,233,783,961,011.50/28,392,814.20
  6. Step 6: Final answer
    x = 19,872,414.90

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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.