Home / 8,147,982.60-12,221,973.90-2,756,808.90

Finding the Fourth Proportional to 8,147,982.60, 12,221,973.90 and 2,756,808.90

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Solution

The fourth proportional to 8,147,982.60, 12,221,973.90 and 2,756,808.90 is: 4,135,213.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,147,982.60 : 12,221,973.90 = 2,756,808.90 : x
  2. Step 2: Convert to fraction form
    8,147,982.60/12,221,973.90 = 2,756,808.90/x
  3. Step 3: Cross multiply
    8,147,982.60x = 12,221,973.90 × 2,756,808.90
  4. Step 4: Simplify right side
    8,147,982.60x = 33,693,646,423,087.71
  5. Step 5: Solve for x
    x = 33,693,646,423,087.71/8,147,982.60
  6. Step 6: Final answer
    x = 4,135,213.35

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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.