Home / 8,102,807.40-12,154,211.10-3,307,348.20

Finding the Fourth Proportional to 8,102,807.40, 12,154,211.10 and 3,307,348.20

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Solution

The fourth proportional to 8,102,807.40, 12,154,211.10 and 3,307,348.20 is: 4,961,022.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,102,807.40 : 12,154,211.10 = 3,307,348.20 : x
  2. Step 2: Convert to fraction form
    8,102,807.40/12,154,211.10 = 3,307,348.20/x
  3. Step 3: Cross multiply
    8,102,807.40x = 12,154,211.10 × 3,307,348.20
  4. Step 4: Simplify right side
    8,102,807.40x = 40,198,208,204,005.02
  5. Step 5: Solve for x
    x = 40,198,208,204,005.02/8,102,807.40
  6. Step 6: Final answer
    x = 4,961,022.30

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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.