Home / 12,209,339.39-18,290,066.09-7,080,995.97

Finding the Fourth Proportional to 12,209,339.39, 18,290,066.09 and 7,080,995.97

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Solution

The fourth proportional to 12,209,339.39, 18,290,066.09 and 7,080,995.97 is: 10,607,607.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,209,339.39 : 18,290,066.09 = 7,080,995.97 : x
  2. Step 2: Convert to fraction form
    12,209,339.39/18,290,066.09 = 7,080,995.97/x
  3. Step 3: Cross multiply
    12,209,339.39x = 18,290,066.09 × 7,080,995.97
  4. Step 4: Simplify right side
    12,209,339.39x = 129,511,884,238,918.67
  5. Step 5: Solve for x
    x = 129,511,884,238,918.67/12,209,339.39
  6. Step 6: Final answer
    x = 10,607,607.84

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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.