Home / 12,432,732.17-18,651,620.61-3,911,086.67

Finding the Fourth Proportional to 12,432,732.17, 18,651,620.61 and 3,911,086.67

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Solution

The fourth proportional to 12,432,732.17, 18,651,620.61 and 3,911,086.67 is: 5,867,423.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,432,732.17 : 18,651,620.61 = 3,911,086.67 : x
  2. Step 2: Convert to fraction form
    12,432,732.17/18,651,620.61 = 3,911,086.67/x
  3. Step 3: Cross multiply
    12,432,732.17x = 18,651,620.61 × 3,911,086.67
  4. Step 4: Simplify right side
    12,432,732.17x = 72,948,104,648,410.16
  5. Step 5: Solve for x
    x = 72,948,104,648,410.16/12,432,732.17
  6. Step 6: Final answer
    x = 5,867,423.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.