Home / 10,987,390.60-16,447,908.30-9,660,286.60

Finding the Fourth Proportional to 10,987,390.60, 16,447,908.30 and 9,660,286.60

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Solution

The fourth proportional to 10,987,390.60, 16,447,908.30 and 9,660,286.60 is: 14,461,259.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,987,390.60 : 16,447,908.30 = 9,660,286.60 : x
  2. Step 2: Convert to fraction form
    10,987,390.60/16,447,908.30 = 9,660,286.60/x
  3. Step 3: Cross multiply
    10,987,390.60x = 16,447,908.30 × 9,660,286.60
  4. Step 4: Simplify right side
    10,987,390.60x = 158,891,508,148,518.78
  5. Step 5: Solve for x
    x = 158,891,508,148,518.78/10,987,390.60
  6. Step 6: Final answer
    x = 14,461,259.63

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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.