Home / 10,865,797.20-16,298,695.80-6,561,125.10

Finding the Fourth Proportional to 10,865,797.20, 16,298,695.80 and 6,561,125.10

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Solution

The fourth proportional to 10,865,797.20, 16,298,695.80 and 6,561,125.10 is: 9,841,687.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,865,797.20 : 16,298,695.80 = 6,561,125.10 : x
  2. Step 2: Convert to fraction form
    10,865,797.20/16,298,695.80 = 6,561,125.10/x
  3. Step 3: Cross multiply
    10,865,797.20x = 16,298,695.80 × 6,561,125.10
  4. Step 4: Simplify right side
    10,865,797.20x = 106,937,782,110,644.58
  5. Step 5: Solve for x
    x = 106,937,782,110,644.58/10,865,797.20
  6. Step 6: Final answer
    x = 9,841,687.65

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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.