Home / 12,777,344.10-19,166,016.15-11,853,555.30

Finding the Fourth Proportional to 12,777,344.10, 19,166,016.15 and 11,853,555.30

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Solution

The fourth proportional to 12,777,344.10, 19,166,016.15 and 11,853,555.30 is: 17,780,332.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,777,344.10 : 19,166,016.15 = 11,853,555.30 : x
  2. Step 2: Convert to fraction form
    12,777,344.10/19,166,016.15 = 11,853,555.30/x
  3. Step 3: Cross multiply
    12,777,344.10x = 19,166,016.15 × 11,853,555.30
  4. Step 4: Simplify right side
    12,777,344.10x = 227,185,432,314,718.09
  5. Step 5: Solve for x
    x = 227,185,432,314,718.09/12,777,344.10
  6. Step 6: Final answer
    x = 17,780,332.95

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Double scale
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Similar ratio
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1.5x scale

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.