Home / 12,960,002.60-19,440,003.90-12,462,338.60

Finding the Fourth Proportional to 12,960,002.60, 19,440,003.90 and 12,462,338.60

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Solution

The fourth proportional to 12,960,002.60, 19,440,003.90 and 12,462,338.60 is: 18,693,507.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,960,002.60 : 19,440,003.90 = 12,462,338.60 : x
  2. Step 2: Convert to fraction form
    12,960,002.60/19,440,003.90 = 12,462,338.60/x
  3. Step 3: Cross multiply
    12,960,002.60x = 19,440,003.90 × 12,462,338.60
  4. Step 4: Simplify right side
    12,960,002.60x = 242,267,910,987,120.50
  5. Step 5: Solve for x
    x = 242,267,910,987,120.50/12,960,002.60
  6. Step 6: Final answer
    x = 18,693,507.90

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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.