Home / 19,336,937.60-29,026,401.60-12,156,579.20

Finding the Fourth Proportional to 19,336,937.60, 29,026,401.60 and 12,156,579.20

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Solution

The fourth proportional to 19,336,937.60, 29,026,401.60 and 12,156,579.20 is: 18,248,067.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,336,937.60 : 29,026,401.60 = 12,156,579.20 : x
  2. Step 2: Convert to fraction form
    19,336,937.60/29,026,401.60 = 12,156,579.20/x
  3. Step 3: Cross multiply
    19,336,937.60x = 29,026,401.60 × 12,156,579.20
  4. Step 4: Simplify right side
    19,336,937.60x = 352,861,749,941,406.69
  5. Step 5: Solve for x
    x = 352,861,749,941,406.69/19,336,937.60
  6. Step 6: Final answer
    x = 18,248,067.88

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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.