Home / 10,105,896.90-15,158,845.35-5,555,187.30

Finding the Fourth Proportional to 10,105,896.90, 15,158,845.35 and 5,555,187.30

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Solution

The fourth proportional to 10,105,896.90, 15,158,845.35 and 5,555,187.30 is: 8,332,780.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,105,896.90 : 15,158,845.35 = 5,555,187.30 : x
  2. Step 2: Convert to fraction form
    10,105,896.90/15,158,845.35 = 5,555,187.30/x
  3. Step 3: Cross multiply
    10,105,896.90x = 15,158,845.35 × 5,555,187.30
  4. Step 4: Simplify right side
    10,105,896.90x = 84,210,225,170,984.05
  5. Step 5: Solve for x
    x = 84,210,225,170,984.05/10,105,896.90
  6. Step 6: Final answer
    x = 8,332,780.95

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Double scale
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Similar ratio
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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.