Home / 9,188,146.28-12,679,418.10-5,058,143.84

Finding the Fourth Proportional to 9,188,146.28, 12,679,418.10 and 5,058,143.84

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Solution

The fourth proportional to 9,188,146.28, 12,679,418.10 and 5,058,143.84 is: 6,980,115.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,188,146.28 : 12,679,418.10 = 5,058,143.84 : x
  2. Step 2: Convert to fraction form
    9,188,146.28/12,679,418.10 = 5,058,143.84/x
  3. Step 3: Cross multiply
    9,188,146.28x = 12,679,418.10 × 5,058,143.84
  4. Step 4: Simplify right side
    9,188,146.28x = 64,134,320,557,299.50
  5. Step 5: Solve for x
    x = 64,134,320,557,299.50/9,188,146.28
  6. Step 6: Final answer
    x = 6,980,115.31

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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.