Home / 8,205,087.60-12,307,631.40-3,953,559.60

Finding the Fourth Proportional to 8,205,087.60, 12,307,631.40 and 3,953,559.60

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Solution

The fourth proportional to 8,205,087.60, 12,307,631.40 and 3,953,559.60 is: 5,930,339.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,205,087.60 : 12,307,631.40 = 3,953,559.60 : x
  2. Step 2: Convert to fraction form
    8,205,087.60/12,307,631.40 = 3,953,559.60/x
  3. Step 3: Cross multiply
    8,205,087.60x = 12,307,631.40 × 3,953,559.60
  4. Step 4: Simplify right side
    8,205,087.60x = 48,658,954,274,731.45
  5. Step 5: Solve for x
    x = 48,658,954,274,731.45/8,205,087.60
  6. Step 6: Final answer
    x = 5,930,339.40

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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.