Home / 9,142,135.67-12,617,432.51-5,658,591.85

Finding the Fourth Proportional to 9,142,135.67, 12,617,432.51 and 5,658,591.85

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Solution

The fourth proportional to 9,142,135.67, 12,617,432.51 and 5,658,591.85 is: 7,809,652.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,142,135.67 : 12,617,432.51 = 5,658,591.85 : x
  2. Step 2: Convert to fraction form
    9,142,135.67/12,617,432.51 = 5,658,591.85/x
  3. Step 3: Cross multiply
    9,142,135.67x = 12,617,432.51 × 5,658,591.85
  4. Step 4: Simplify right side
    9,142,135.67x = 71,396,900,709,174.52
  5. Step 5: Solve for x
    x = 71,396,900,709,174.52/9,142,135.67
  6. Step 6: Final answer
    x = 7,809,652.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.