Home / 12,155,197.26-18,226,064.25-4,971,775.98

Finding the Fourth Proportional to 12,155,197.26, 18,226,064.25 and 4,971,775.98

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Solution

The fourth proportional to 12,155,197.26, 18,226,064.25 and 4,971,775.98 is: 7,454,910.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,155,197.26 : 18,226,064.25 = 4,971,775.98 : x
  2. Step 2: Convert to fraction form
    12,155,197.26/18,226,064.25 = 4,971,775.98/x
  3. Step 3: Cross multiply
    12,155,197.26x = 18,226,064.25 × 4,971,775.98
  4. Step 4: Simplify right side
    12,155,197.26x = 90,615,908,448,086.72
  5. Step 5: Solve for x
    x = 90,615,908,448,086.72/12,155,197.26
  6. Step 6: Final answer
    x = 7,454,910.56

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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.