Home / 15,002,518.41-20,703,538.85-8,127,000.47

Finding the Fourth Proportional to 15,002,518.41, 20,703,538.85 and 8,127,000.47

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Solution

The fourth proportional to 15,002,518.41, 20,703,538.85 and 8,127,000.47 is: 11,215,295.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,002,518.41 : 20,703,538.85 = 8,127,000.47 : x
  2. Step 2: Convert to fraction form
    15,002,518.41/20,703,538.85 = 8,127,000.47/x
  3. Step 3: Cross multiply
    15,002,518.41x = 20,703,538.85 × 8,127,000.47
  4. Step 4: Simplify right side
    15,002,518.41x = 168,257,669,975,737.09
  5. Step 5: Solve for x
    x = 168,257,669,975,737.09/15,002,518.41
  6. Step 6: Final answer
    x = 11,215,295.02

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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.