Home / 20,360,479.20-30,523,004.10-12,264,861.30

Finding the Fourth Proportional to 20,360,479.20, 30,523,004.10 and 12,264,861.30

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Solution

The fourth proportional to 20,360,479.20, 30,523,004.10 and 12,264,861.30 is: 18,386,620.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,360,479.20 : 30,523,004.10 = 12,264,861.30 : x
  2. Step 2: Convert to fraction form
    20,360,479.20/30,523,004.10 = 12,264,861.30/x
  3. Step 3: Cross multiply
    20,360,479.20x = 30,523,004.10 × 12,264,861.30
  4. Step 4: Simplify right side
    20,360,479.20x = 374,360,411,745,831.38
  5. Step 5: Solve for x
    x = 374,360,411,745,831.38/20,360,479.20
  6. Step 6: Final answer
    x = 18,386,620.87

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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.