Home / 8,102,808.40-12,154,212.60-3,307,349.20

Finding the Fourth Proportional to 8,102,808.40, 12,154,212.60 and 3,307,349.20

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Solution

The fourth proportional to 8,102,808.40, 12,154,212.60 and 3,307,349.20 is: 4,961,023.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,102,808.40 : 12,154,212.60 = 3,307,349.20 : x
  2. Step 2: Convert to fraction form
    8,102,808.40/12,154,212.60 = 3,307,349.20/x
  3. Step 3: Cross multiply
    8,102,808.40x = 12,154,212.60 × 3,307,349.20
  4. Step 4: Simplify right side
    8,102,808.40x = 40,198,225,319,239.92
  5. Step 5: Solve for x
    x = 40,198,225,319,239.92/8,102,808.40
  6. Step 6: Final answer
    x = 4,961,023.80

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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.