Home / 15,120,207.40-22,680,311.10-8,317,762.60

Finding the Fourth Proportional to 15,120,207.40, 22,680,311.10 and 8,317,762.60

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Solution

The fourth proportional to 15,120,207.40, 22,680,311.10 and 8,317,762.60 is: 12,476,643.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,120,207.40 : 22,680,311.10 = 8,317,762.60 : x
  2. Step 2: Convert to fraction form
    15,120,207.40/22,680,311.10 = 8,317,762.60/x
  3. Step 3: Cross multiply
    15,120,207.40x = 22,680,311.10 × 8,317,762.60
  4. Step 4: Simplify right side
    15,120,207.40x = 188,649,443,423,944.88
  5. Step 5: Solve for x
    x = 188,649,443,423,944.88/15,120,207.40
  6. Step 6: Final answer
    x = 12,476,643.90

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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.