Home / 28,937,740.93-39,933,924.82-15,885,221.92

Finding the Fourth Proportional to 28,937,740.93, 39,933,924.82 and 15,885,221.92

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Solution

The fourth proportional to 28,937,740.93, 39,933,924.82 and 15,885,221.92 is: 21,921,519.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,937,740.93 : 39,933,924.82 = 15,885,221.92 : x
  2. Step 2: Convert to fraction form
    28,937,740.93/39,933,924.82 = 15,885,221.92/x
  3. Step 3: Cross multiply
    28,937,740.93x = 39,933,924.82 × 15,885,221.92
  4. Step 4: Simplify right side
    28,937,740.93x = 634,359,257,762,748.25
  5. Step 5: Solve for x
    x = 634,359,257,762,748.25/28,937,740.93
  6. Step 6: Final answer
    x = 21,921,519.70

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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.