Home / 12,114,793.20-18,159,748.20-7,063,503.60

Finding the Fourth Proportional to 12,114,793.20, 18,159,748.20 and 7,063,503.60

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Solution

The fourth proportional to 12,114,793.20, 18,159,748.20 and 7,063,503.60 is: 10,588,001.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,114,793.20 : 18,159,748.20 = 7,063,503.60 : x
  2. Step 2: Convert to fraction form
    12,114,793.20/18,159,748.20 = 7,063,503.60/x
  3. Step 3: Cross multiply
    12,114,793.20x = 18,159,748.20 × 7,063,503.60
  4. Step 4: Simplify right side
    12,114,793.20x = 128,271,446,785,793.52
  5. Step 5: Solve for x
    x = 128,271,446,785,793.52/12,114,793.20
  6. Step 6: Final answer
    x = 10,588,001.35

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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.