Home / 13,438,367.40-20,160,143.10-5,761,900.20

Finding the Fourth Proportional to 13,438,367.40, 20,160,143.10 and 5,761,900.20

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Solution

The fourth proportional to 13,438,367.40, 20,160,143.10 and 5,761,900.20 is: 8,643,961.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,438,367.40 : 20,160,143.10 = 5,761,900.20 : x
  2. Step 2: Convert to fraction form
    13,438,367.40/20,160,143.10 = 5,761,900.20/x
  3. Step 3: Cross multiply
    13,438,367.40x = 20,160,143.10 × 5,761,900.20
  4. Step 4: Simplify right side
    13,438,367.40x = 116,160,732,559,918.62
  5. Step 5: Solve for x
    x = 116,160,732,559,918.62/13,438,367.40
  6. Step 6: Final answer
    x = 8,643,961.66

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1.5x scale

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.