Home / 28,162,455.75-42,248,452.69-9,713,391.22

Finding the Fourth Proportional to 28,162,455.75, 42,248,452.69 and 9,713,391.22

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Solution

The fourth proportional to 28,162,455.75, 42,248,452.69 and 9,713,391.22 is: 14,571,731.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,162,455.75 : 42,248,452.69 = 9,713,391.22 : x
  2. Step 2: Convert to fraction form
    28,162,455.75/42,248,452.69 = 9,713,391.22/x
  3. Step 3: Cross multiply
    28,162,455.75x = 42,248,452.69 × 9,713,391.22
  4. Step 4: Simplify right side
    28,162,455.75x = 410,375,749,417,631.38
  5. Step 5: Solve for x
    x = 410,375,749,417,631.38/28,162,455.75
  6. Step 6: Final answer
    x = 14,571,731.71

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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.