Home / 12,440,207.40-18,668,719.20-4,353,254.57

Finding the Fourth Proportional to 12,440,207.40, 18,668,719.20 and 4,353,254.57

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Solution

The fourth proportional to 12,440,207.40, 18,668,719.20 and 4,353,254.57 is: 6,532,824.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,440,207.40 : 18,668,719.20 = 4,353,254.57 : x
  2. Step 2: Convert to fraction form
    12,440,207.40/18,668,719.20 = 4,353,254.57/x
  3. Step 3: Cross multiply
    12,440,207.40x = 18,668,719.20 × 4,353,254.57
  4. Step 4: Simplify right side
    12,440,207.40x = 81,269,687,173,446.75
  5. Step 5: Solve for x
    x = 81,269,687,173,446.75/12,440,207.40
  6. Step 6: Final answer
    x = 6,532,824.14

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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.