Home / 12,482,151.20-18,695,233.20-10,242,663.20

Finding the Fourth Proportional to 12,482,151.20, 18,695,233.20 and 10,242,663.20

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Solution

The fourth proportional to 12,482,151.20, 18,695,233.20 and 10,242,663.20 is: 15,341,023.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,482,151.20 : 18,695,233.20 = 10,242,663.20 : x
  2. Step 2: Convert to fraction form
    12,482,151.20/18,695,233.20 = 10,242,663.20/x
  3. Step 3: Cross multiply
    12,482,151.20x = 18,695,233.20 × 10,242,663.20
  4. Step 4: Simplify right side
    12,482,151.20x = 191,488,977,113,058.22
  5. Step 5: Solve for x
    x = 191,488,977,113,058.22/12,482,151.20
  6. Step 6: Final answer
    x = 15,341,023.68

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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.