Home / 12,478,582.20-18,700,377.30-9,924,166.20

Finding the Fourth Proportional to 12,478,582.20, 18,700,377.30 and 9,924,166.20

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Solution

The fourth proportional to 12,478,582.20, 18,700,377.30 and 9,924,166.20 is: 14,872,334.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,478,582.20 : 18,700,377.30 = 9,924,166.20 : x
  2. Step 2: Convert to fraction form
    12,478,582.20/18,700,377.30 = 9,924,166.20/x
  3. Step 3: Cross multiply
    12,478,582.20x = 18,700,377.30 × 9,924,166.20
  4. Step 4: Simplify right side
    12,478,582.20x = 185,585,652,327,907.25
  5. Step 5: Solve for x
    x = 185,585,652,327,907.25/12,478,582.20
  6. Step 6: Final answer
    x = 14,872,334.80

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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.