Home / 21,286,230.30-31,929,345.45-9,342,294.30

Finding the Fourth Proportional to 21,286,230.30, 31,929,345.45 and 9,342,294.30

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Solution

The fourth proportional to 21,286,230.30, 31,929,345.45 and 9,342,294.30 is: 14,013,441.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,286,230.30 : 31,929,345.45 = 9,342,294.30 : x
  2. Step 2: Convert to fraction form
    21,286,230.30/31,929,345.45 = 9,342,294.30/x
  3. Step 3: Cross multiply
    21,286,230.30x = 31,929,345.45 × 9,342,294.30
  4. Step 4: Simplify right side
    21,286,230.30x = 298,293,342,000,265.94
  5. Step 5: Solve for x
    x = 298,293,342,000,265.94/21,286,230.30
  6. Step 6: Final answer
    x = 14,013,441.45

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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.