Home / 15,278,299.02-22,917,115.62-7,186,789.67

Finding the Fourth Proportional to 15,278,299.02, 22,917,115.62 and 7,186,789.67

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Solution

The fourth proportional to 15,278,299.02, 22,917,115.62 and 7,186,789.67 is: 10,780,027.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,278,299.02 : 22,917,115.62 = 7,186,789.67 : x
  2. Step 2: Convert to fraction form
    15,278,299.02/22,917,115.62 = 7,186,789.67/x
  3. Step 3: Cross multiply
    15,278,299.02x = 22,917,115.62 × 7,186,789.67
  4. Step 4: Simplify right side
    15,278,299.02x = 164,700,489,689,426.06
  5. Step 5: Solve for x
    x = 164,700,489,689,426.06/15,278,299.02
  6. Step 6: Final answer
    x = 10,780,027.90

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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.