Home / 42,023,769.75-63,037,586.46-12,875,521.23

Finding the Fourth Proportional to 42,023,769.75, 63,037,586.46 and 12,875,521.23

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Solution

The fourth proportional to 42,023,769.75, 63,037,586.46 and 12,875,521.23 is: 19,313,873.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,023,769.75 : 63,037,586.46 = 12,875,521.23 : x
  2. Step 2: Convert to fraction form
    42,023,769.75/63,037,586.46 = 12,875,521.23/x
  3. Step 3: Cross multiply
    42,023,769.75x = 63,037,586.46 × 12,875,521.23
  4. Step 4: Simplify right side
    42,023,769.75x = 811,641,782,753,690.62
  5. Step 5: Solve for x
    x = 811,641,782,753,690.62/42,023,769.75
  6. Step 6: Final answer
    x = 19,313,873.73

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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.