Home / 13,140,103.20-19,713,841.20-6,408,736.80

Finding the Fourth Proportional to 13,140,103.20, 19,713,841.20 and 6,408,736.80

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Solution

The fourth proportional to 13,140,103.20, 19,713,841.20 and 6,408,736.80 is: 9,614,903.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,140,103.20 : 19,713,841.20 = 6,408,736.80 : x
  2. Step 2: Convert to fraction form
    13,140,103.20/19,713,841.20 = 6,408,736.80/x
  3. Step 3: Cross multiply
    13,140,103.20x = 19,713,841.20 × 6,408,736.80
  4. Step 4: Simplify right side
    13,140,103.20x = 126,340,819,567,796.16
  5. Step 5: Solve for x
    x = 126,340,819,567,796.16/13,140,103.20
  6. Step 6: Final answer
    x = 9,614,903.14

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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.