Home / 12,231,899.10-18,347,848.65-8,200,820.70

Finding the Fourth Proportional to 12,231,899.10, 18,347,848.65 and 8,200,820.70

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Solution

The fourth proportional to 12,231,899.10, 18,347,848.65 and 8,200,820.70 is: 12,301,231.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,231,899.10 : 18,347,848.65 = 8,200,820.70 : x
  2. Step 2: Convert to fraction form
    12,231,899.10/18,347,848.65 = 8,200,820.70/x
  3. Step 3: Cross multiply
    12,231,899.10x = 18,347,848.65 × 8,200,820.70
  4. Step 4: Simplify right side
    12,231,899.10x = 150,467,417,009,387.03
  5. Step 5: Solve for x
    x = 150,467,417,009,387.03/12,231,899.10
  6. Step 6: Final answer
    x = 12,301,231.05

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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.