Home / 8,321,871.40-12,482,807.10-5,116,604.20

Finding the Fourth Proportional to 8,321,871.40, 12,482,807.10 and 5,116,604.20

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Solution

The fourth proportional to 8,321,871.40, 12,482,807.10 and 5,116,604.20 is: 7,674,906.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,321,871.40 : 12,482,807.10 = 5,116,604.20 : x
  2. Step 2: Convert to fraction form
    8,321,871.40/12,482,807.10 = 5,116,604.20/x
  3. Step 3: Cross multiply
    8,321,871.40x = 12,482,807.10 × 5,116,604.20
  4. Step 4: Simplify right side
    8,321,871.40x = 63,869,583,235,649.82
  5. Step 5: Solve for x
    x = 63,869,583,235,649.82/8,321,871.40
  6. Step 6: Final answer
    x = 7,674,906.30

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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.