Home / 15,127,484.90-20,875,904.69-8,251,967.57

Finding the Fourth Proportional to 15,127,484.90, 20,875,904.69 and 8,251,967.57

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Solution

The fourth proportional to 15,127,484.90, 20,875,904.69 and 8,251,967.57 is: 11,387,701.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,127,484.90 : 20,875,904.69 = 8,251,967.57 : x
  2. Step 2: Convert to fraction form
    15,127,484.90/20,875,904.69 = 8,251,967.57/x
  3. Step 3: Cross multiply
    15,127,484.90x = 20,875,904.69 × 8,251,967.57
  4. Step 4: Simplify right side
    15,127,484.90x = 172,267,288,350,651.53
  5. Step 5: Solve for x
    x = 172,267,288,350,651.53/15,127,484.90
  6. Step 6: Final answer
    x = 11,387,701.89

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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.