Home / 12,300,965.40-18,451,448.10-5,909,676.60

Finding the Fourth Proportional to 12,300,965.40, 18,451,448.10 and 5,909,676.60

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Solution

The fourth proportional to 12,300,965.40, 18,451,448.10 and 5,909,676.60 is: 8,864,514.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,300,965.40 : 18,451,448.10 = 5,909,676.60 : x
  2. Step 2: Convert to fraction form
    12,300,965.40/18,451,448.10 = 5,909,676.60/x
  3. Step 3: Cross multiply
    12,300,965.40x = 18,451,448.10 × 5,909,676.60
  4. Step 4: Simplify right side
    12,300,965.40x = 109,042,091,072,684.47
  5. Step 5: Solve for x
    x = 109,042,091,072,684.47/12,300,965.40
  6. Step 6: Final answer
    x = 8,864,514.90

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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.