Home / 29,172,315-40,257,781.36-16,119,459.72

Finding the Fourth Proportional to 29,172,315, 40,257,781.36 and 16,119,459.72

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Solution

The fourth proportional to 29,172,315, 40,257,781.36 and 16,119,459.72 is: 22,244,847.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,172,315 : 40,257,781.36 = 16,119,459.72 : x
  2. Step 2: Convert to fraction form
    29,172,315/40,257,781.36 = 16,119,459.72/x
  3. Step 3: Cross multiply
    29,172,315x = 40,257,781.36 × 16,119,459.72
  4. Step 4: Simplify right side
    29,172,315x = 648,933,685,049,086.88
  5. Step 5: Solve for x
    x = 648,933,685,049,086.88/29,172,315
  6. Step 6: Final answer
    x = 22,244,847.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.