Home / 15,021,826.26-20,729,937.87-8,146,228.74

Finding the Fourth Proportional to 15,021,826.26, 20,729,937.87 and 8,146,228.74

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Solution

The fourth proportional to 15,021,826.26, 20,729,937.87 and 8,146,228.74 is: 11,241,696.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,021,826.26 : 20,729,937.87 = 8,146,228.74 : x
  2. Step 2: Convert to fraction form
    15,021,826.26/20,729,937.87 = 8,146,228.74/x
  3. Step 3: Cross multiply
    15,021,826.26x = 20,729,937.87 × 8,146,228.74
  4. Step 4: Simplify right side
    15,021,826.26x = 168,870,815,655,008.41
  5. Step 5: Solve for x
    x = 168,870,815,655,008.41/15,021,826.26
  6. Step 6: Final answer
    x = 11,241,696.76

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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.