Home / 13,471,030.94-20,219,321.28-8,337,933.70

Finding the Fourth Proportional to 13,471,030.94, 20,219,321.28 and 8,337,933.70

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Solution

The fourth proportional to 13,471,030.94, 20,219,321.28 and 8,337,933.70 is: 12,514,807.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,471,030.94 : 20,219,321.28 = 8,337,933.70 : x
  2. Step 2: Convert to fraction form
    13,471,030.94/20,219,321.28 = 8,337,933.70/x
  3. Step 3: Cross multiply
    13,471,030.94x = 20,219,321.28 × 8,337,933.70
  4. Step 4: Simplify right side
    13,471,030.94x = 168,587,360,190,542.53
  5. Step 5: Solve for x
    x = 168,587,360,190,542.53/13,471,030.94
  6. Step 6: Final answer
    x = 12,514,807.59

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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.