Home / 15,046,492.52-20,764,163.76-8,170,972.76

Finding the Fourth Proportional to 15,046,492.52, 20,764,163.76 and 8,170,972.76

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Solution

The fourth proportional to 15,046,492.52, 20,764,163.76 and 8,170,972.76 is: 11,275,944.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,046,492.52 : 20,764,163.76 = 8,170,972.76 : x
  2. Step 2: Convert to fraction form
    15,046,492.52/20,764,163.76 = 8,170,972.76/x
  3. Step 3: Cross multiply
    15,046,492.52x = 20,764,163.76 × 8,170,972.76
  4. Step 4: Simplify right side
    15,046,492.52x = 169,663,416,467,139.19
  5. Step 5: Solve for x
    x = 169,663,416,467,139.19/15,046,492.52
  6. Step 6: Final answer
    x = 11,275,944.63

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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.