Home / 12,478,548.20-18,700,326.30-9,924,132.20

Finding the Fourth Proportional to 12,478,548.20, 18,700,326.30 and 9,924,132.20

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Solution

The fourth proportional to 12,478,548.20, 18,700,326.30 and 9,924,132.20 is: 14,872,283.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,478,548.20 : 18,700,326.30 = 9,924,132.20 : x
  2. Step 2: Convert to fraction form
    12,478,548.20/18,700,326.30 = 9,924,132.20/x
  3. Step 3: Cross multiply
    12,478,548.20x = 18,700,326.30 × 9,924,132.20
  4. Step 4: Simplify right side
    12,478,548.20x = 185,584,510,384,336.84
  5. Step 5: Solve for x
    x = 185,584,510,384,336.84/12,478,548.20
  6. Step 6: Final answer
    x = 14,872,283.81

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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.