Home / 20,910,822.75-31,357,600.29-9,080,724.63

Finding the Fourth Proportional to 20,910,822.75, 31,357,600.29 and 9,080,724.63

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Solution

The fourth proportional to 20,910,822.75, 31,357,600.29 and 9,080,724.63 is: 13,617,337.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,910,822.75 : 31,357,600.29 = 9,080,724.63 : x
  2. Step 2: Convert to fraction form
    20,910,822.75/31,357,600.29 = 9,080,724.63/x
  3. Step 3: Cross multiply
    20,910,822.75x = 31,357,600.29 × 9,080,724.63
  4. Step 4: Simplify right side
    20,910,822.75x = 284,749,733,291,098.19
  5. Step 5: Solve for x
    x = 284,749,733,291,098.19/20,910,822.75
  6. Step 6: Final answer
    x = 13,617,337.62

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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.