Home / 8,205,192.40-12,307,788.60-5,510,808.40

Finding the Fourth Proportional to 8,205,192.40, 12,307,788.60 and 5,510,808.40

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Solution

The fourth proportional to 8,205,192.40, 12,307,788.60 and 5,510,808.40 is: 8,266,212.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,205,192.40 : 12,307,788.60 = 5,510,808.40 : x
  2. Step 2: Convert to fraction form
    8,205,192.40/12,307,788.60 = 5,510,808.40/x
  3. Step 3: Cross multiply
    8,205,192.40x = 12,307,788.60 × 5,510,808.40
  4. Step 4: Simplify right side
    8,205,192.40x = 67,825,864,802,304.24
  5. Step 5: Solve for x
    x = 67,825,864,802,304.24/8,205,192.40
  6. Step 6: Final answer
    x = 8,266,212.60

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Similar ratio
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1.5x scale

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.