Home / 29,107,021.20-43,676,278.20-12,069,416.40

Finding the Fourth Proportional to 29,107,021.20, 43,676,278.20 and 12,069,416.40

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Solution

The fourth proportional to 29,107,021.20, 43,676,278.20 and 12,069,416.40 is: 18,110,653.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,107,021.20 : 43,676,278.20 = 12,069,416.40 : x
  2. Step 2: Convert to fraction form
    29,107,021.20/43,676,278.20 = 12,069,416.40/x
  3. Step 3: Cross multiply
    29,107,021.20x = 43,676,278.20 × 12,069,416.40
  4. Step 4: Simplify right side
    29,107,021.20x = 527,147,188,398,042.56
  5. Step 5: Solve for x
    x = 527,147,188,398,042.56/29,107,021.20
  6. Step 6: Final answer
    x = 18,110,653.95

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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.