Home / 8,972,454.30-13,458,681.45-5,193,318.30

Finding the Fourth Proportional to 8,972,454.30, 13,458,681.45 and 5,193,318.30

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Solution

The fourth proportional to 8,972,454.30, 13,458,681.45 and 5,193,318.30 is: 7,789,977.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,972,454.30 : 13,458,681.45 = 5,193,318.30 : x
  2. Step 2: Convert to fraction form
    8,972,454.30/13,458,681.45 = 5,193,318.30/x
  3. Step 3: Cross multiply
    8,972,454.30x = 13,458,681.45 × 5,193,318.30
  4. Step 4: Simplify right side
    8,972,454.30x = 69,895,216,668,155.53
  5. Step 5: Solve for x
    x = 69,895,216,668,155.53/8,972,454.30
  6. Step 6: Final answer
    x = 7,789,977.45

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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.