Home / 38,419,507.68-57,633,299.01-12,513,827.76

Finding the Fourth Proportional to 38,419,507.68, 57,633,299.01 and 12,513,827.76

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Solution

The fourth proportional to 38,419,507.68, 57,633,299.01 and 12,513,827.76 is: 18,772,056.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,419,507.68 : 57,633,299.01 = 12,513,827.76 : x
  2. Step 2: Convert to fraction form
    38,419,507.68/57,633,299.01 = 12,513,827.76/x
  3. Step 3: Cross multiply
    38,419,507.68x = 57,633,299.01 × 12,513,827.76
  4. Step 4: Simplify right side
    38,419,507.68x = 721,213,177,051,718.50
  5. Step 5: Solve for x
    x = 721,213,177,051,718.50/38,419,507.68
  6. Step 6: Final answer
    x = 18,772,056.71

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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.