Home / 21,295,277.42-31,948,290.60-5,942,554.28

Finding the Fourth Proportional to 21,295,277.42, 31,948,290.60 and 5,942,554.28

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Solution

The fourth proportional to 21,295,277.42, 31,948,290.60 and 5,942,554.28 is: 8,915,331.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,295,277.42 : 31,948,290.60 = 5,942,554.28 : x
  2. Step 2: Convert to fraction form
    21,295,277.42/31,948,290.60 = 5,942,554.28/x
  3. Step 3: Cross multiply
    21,295,277.42x = 31,948,290.60 × 5,942,554.28
  4. Step 4: Simplify right side
    21,295,277.42x = 189,854,451,043,713.78
  5. Step 5: Solve for x
    x = 189,854,451,043,713.78/21,295,277.42
  6. Step 6: Final answer
    x = 8,915,331.19

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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.