Home / 9,121,929.30-12,589,597.89-5,253,697.62

Finding the Fourth Proportional to 9,121,929.30, 12,589,597.89 and 5,253,697.62

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Solution

The fourth proportional to 9,121,929.30, 12,589,597.89 and 5,253,697.62 is: 7,250,871.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,121,929.30 : 12,589,597.89 = 5,253,697.62 : x
  2. Step 2: Convert to fraction form
    9,121,929.30/12,589,597.89 = 5,253,697.62/x
  3. Step 3: Cross multiply
    9,121,929.30x = 12,589,597.89 × 5,253,697.62
  4. Step 4: Simplify right side
    9,121,929.30x = 66,141,940,471,450.02
  5. Step 5: Solve for x
    x = 66,141,940,471,450.02/9,121,929.30
  6. Step 6: Final answer
    x = 7,250,871.86

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1.5x scale

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.