Home / 12,259,331.60-18,375,875.40-4,164,807.20

Finding the Fourth Proportional to 12,259,331.60, 18,375,875.40 and 4,164,807.20

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Solution

The fourth proportional to 12,259,331.60, 18,375,875.40 and 4,164,807.20 is: 6,242,752.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,259,331.60 : 18,375,875.40 = 4,164,807.20 : x
  2. Step 2: Convert to fraction form
    12,259,331.60/18,375,875.40 = 4,164,807.20/x
  3. Step 3: Cross multiply
    12,259,331.60x = 18,375,875.40 × 4,164,807.20
  4. Step 4: Simplify right side
    12,259,331.60x = 76,531,978,172,222.88
  5. Step 5: Solve for x
    x = 76,531,978,172,222.88/12,259,331.60
  6. Step 6: Final answer
    x = 6,242,752.92

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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.