Home / 31,281,121-43,169,311.56-17,341,588.90

Finding the Fourth Proportional to 31,281,121, 43,169,311.56 and 17,341,588.90

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Solution

The fourth proportional to 31,281,121, 43,169,311.56 and 17,341,588.90 is: 23,932,149.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,281,121 : 43,169,311.56 = 17,341,588.90 : x
  2. Step 2: Convert to fraction form
    31,281,121/43,169,311.56 = 17,341,588.90/x
  3. Step 3: Cross multiply
    31,281,121x = 43,169,311.56 × 17,341,588.90
  4. Step 4: Simplify right side
    31,281,121x = 748,624,454,169,537.62
  5. Step 5: Solve for x
    x = 748,624,454,169,537.62/31,281,121
  6. Step 6: Final answer
    x = 23,932,149.18

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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.