Home / 14,867,987.12-20,519,058.88-8,253,198.16

Finding the Fourth Proportional to 14,867,987.12, 20,519,058.88 and 8,253,198.16

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Solution

The fourth proportional to 14,867,987.12, 20,519,058.88 and 8,253,198.16 is: 11,390,099.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,867,987.12 : 20,519,058.88 = 8,253,198.16 : x
  2. Step 2: Convert to fraction form
    14,867,987.12/20,519,058.88 = 8,253,198.16/x
  3. Step 3: Cross multiply
    14,867,987.12x = 20,519,058.88 × 8,253,198.16
  4. Step 4: Simplify right side
    14,867,987.12x = 169,347,858,993,347.66
  5. Step 5: Solve for x
    x = 169,347,858,993,347.66/14,867,987.12
  6. Step 6: Final answer
    x = 11,390,099.93

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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.