Home / 12,259,329.60-18,375,872.40-4,164,805.20

Finding the Fourth Proportional to 12,259,329.60, 18,375,872.40 and 4,164,805.20

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Solution

The fourth proportional to 12,259,329.60, 18,375,872.40 and 4,164,805.20 is: 6,242,749.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,259,329.60 : 18,375,872.40 = 4,164,805.20 : x
  2. Step 2: Convert to fraction form
    12,259,329.60/18,375,872.40 = 4,164,805.20/x
  3. Step 3: Cross multiply
    12,259,329.60x = 18,375,872.40 × 4,164,805.20
  4. Step 4: Simplify right side
    12,259,329.60x = 76,531,928,926,056.48
  5. Step 5: Solve for x
    x = 76,531,928,926,056.48/12,259,329.60
  6. Step 6: Final answer
    x = 6,242,749.92

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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.