Home / 28,073,247.63-42,111,171.98-8,643,343.92

Finding the Fourth Proportional to 28,073,247.63, 42,111,171.98 and 8,643,343.92

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Solution

The fourth proportional to 28,073,247.63, 42,111,171.98 and 8,643,343.92 is: 12,965,416.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,073,247.63 : 42,111,171.98 = 8,643,343.92 : x
  2. Step 2: Convert to fraction form
    28,073,247.63/42,111,171.98 = 8,643,343.92/x
  3. Step 3: Cross multiply
    28,073,247.63x = 42,111,171.98 × 8,643,343.92
  4. Step 4: Simplify right side
    28,073,247.63x = 363,981,342,254,190.62
  5. Step 5: Solve for x
    x = 363,981,342,254,190.62/28,073,247.63
  6. Step 6: Final answer
    x = 12,965,416.29

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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.