Home / 12,654,290.70-17,444,109.45-9,933,312.78

Finding the Fourth Proportional to 12,654,290.70, 17,444,109.45 and 9,933,312.78

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Solution

The fourth proportional to 12,654,290.70, 17,444,109.45 and 9,933,312.78 is: 13,693,204.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,654,290.70 : 17,444,109.45 = 9,933,312.78 : x
  2. Step 2: Convert to fraction form
    12,654,290.70/17,444,109.45 = 9,933,312.78/x
  3. Step 3: Cross multiply
    12,654,290.70x = 17,444,109.45 × 9,933,312.78
  4. Step 4: Simplify right side
    12,654,290.70x = 173,277,795,335,403.75
  5. Step 5: Solve for x
    x = 173,277,795,335,403.75/12,654,290.70
  6. Step 6: Final answer
    x = 13,693,204.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.