Home / 15,196,699.59-20,971,454.13-8,227,378.92

Finding the Fourth Proportional to 15,196,699.59, 20,971,454.13 and 8,227,378.92

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Solution

The fourth proportional to 15,196,699.59, 20,971,454.13 and 8,227,378.92 is: 11,353,787.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,196,699.59 : 20,971,454.13 = 8,227,378.92 : x
  2. Step 2: Convert to fraction form
    15,196,699.59/20,971,454.13 = 8,227,378.92/x
  3. Step 3: Cross multiply
    15,196,699.59x = 20,971,454.13 × 8,227,378.92
  4. Step 4: Simplify right side
    15,196,699.59x = 172,540,099,630,908.94
  5. Step 5: Solve for x
    x = 172,540,099,630,908.94/15,196,699.59
  6. Step 6: Final answer
    x = 11,353,787.62

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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.