Home / 28,580,342.08-39,441,319.68-15,527,859.52

Finding the Fourth Proportional to 28,580,342.08, 39,441,319.68 and 15,527,859.52

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Solution

The fourth proportional to 28,580,342.08, 39,441,319.68 and 15,527,859.52 is: 21,428,689.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,580,342.08 : 39,441,319.68 = 15,527,859.52 : x
  2. Step 2: Convert to fraction form
    28,580,342.08/39,441,319.68 = 15,527,859.52/x
  3. Step 3: Cross multiply
    28,580,342.08x = 39,441,319.68 × 15,527,859.52
  4. Step 4: Simplify right side
    28,580,342.08x = 612,439,271,274,451.38
  5. Step 5: Solve for x
    x = 612,439,271,274,451.38/28,580,342.08
  6. Step 6: Final answer
    x = 21,428,689.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.