Home / 12,960,067.20-19,440,100.80-9,600,835.20

Finding the Fourth Proportional to 12,960,067.20, 19,440,100.80 and 9,600,835.20

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Solution

The fourth proportional to 12,960,067.20, 19,440,100.80 and 9,600,835.20 is: 14,401,252.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,960,067.20 : 19,440,100.80 = 9,600,835.20 : x
  2. Step 2: Convert to fraction form
    12,960,067.20/19,440,100.80 = 9,600,835.20/x
  3. Step 3: Cross multiply
    12,960,067.20x = 19,440,100.80 × 9,600,835.20
  4. Step 4: Simplify right side
    12,960,067.20x = 186,641,204,052,188.16
  5. Step 5: Solve for x
    x = 186,641,204,052,188.16/12,960,067.20
  6. Step 6: Final answer
    x = 14,401,252.80

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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.