Home / 20,360,483.20-30,523,010.10-12,264,865.30

Finding the Fourth Proportional to 20,360,483.20, 30,523,010.10 and 12,264,865.30

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Solution

The fourth proportional to 20,360,483.20, 30,523,010.10 and 12,264,865.30 is: 18,386,626.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,360,483.20 : 30,523,010.10 = 12,264,865.30 : x
  2. Step 2: Convert to fraction form
    20,360,483.20/30,523,010.10 = 12,264,865.30/x
  3. Step 3: Cross multiply
    20,360,483.20x = 30,523,010.10 × 12,264,865.30
  4. Step 4: Simplify right side
    20,360,483.20x = 374,360,607,427,039.56
  5. Step 5: Solve for x
    x = 374,360,607,427,039.56/20,360,483.20
  6. Step 6: Final answer
    x = 18,386,626.87

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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.