Home / 8,691,344.70-13,037,017.05-8,628,359.10

Finding the Fourth Proportional to 8,691,344.70, 13,037,017.05 and 8,628,359.10

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Solution

The fourth proportional to 8,691,344.70, 13,037,017.05 and 8,628,359.10 is: 12,942,538.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,691,344.70 : 13,037,017.05 = 8,628,359.10 : x
  2. Step 2: Convert to fraction form
    8,691,344.70/13,037,017.05 = 8,628,359.10/x
  3. Step 3: Cross multiply
    8,691,344.70x = 13,037,017.05 × 8,628,359.10
  4. Step 4: Simplify right side
    8,691,344.70x = 112,488,064,700,222.66
  5. Step 5: Solve for x
    x = 112,488,064,700,222.66/8,691,344.70
  6. Step 6: Final answer
    x = 12,942,538.65

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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.