Home / 8,147,037.60-12,220,556.40-8,021,066.40

Finding the Fourth Proportional to 8,147,037.60, 12,220,556.40 and 8,021,066.40

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Solution

The fourth proportional to 8,147,037.60, 12,220,556.40 and 8,021,066.40 is: 12,031,599.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,147,037.60 : 12,220,556.40 = 8,021,066.40 : x
  2. Step 2: Convert to fraction form
    8,147,037.60/12,220,556.40 = 8,021,066.40/x
  3. Step 3: Cross multiply
    8,147,037.60x = 12,220,556.40 × 8,021,066.40
  4. Step 4: Simplify right side
    8,147,037.60x = 98,021,894,329,344.97
  5. Step 5: Solve for x
    x = 98,021,894,329,344.97/8,147,037.60
  6. Step 6: Final answer
    x = 12,031,599.60

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Double scale
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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.