Home / 17,916,817.44-26,867,320.56-5,134,421.28

Finding the Fourth Proportional to 17,916,817.44, 26,867,320.56 and 5,134,421.28

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Solution

The fourth proportional to 17,916,817.44, 26,867,320.56 and 5,134,421.28 is: 7,699,366.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,916,817.44 : 26,867,320.56 = 5,134,421.28 : x
  2. Step 2: Convert to fraction form
    17,916,817.44/26,867,320.56 = 5,134,421.28/x
  3. Step 3: Cross multiply
    17,916,817.44x = 26,867,320.56 × 5,134,421.28
  4. Step 4: Simplify right side
    17,916,817.44x = 137,948,142,419,845.52
  5. Step 5: Solve for x
    x = 137,948,142,419,845.52/17,916,817.44
  6. Step 6: Final answer
    x = 7,699,366.41

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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.