Home / 12,793,685.08-17,654,805.48-6,992,419.72

Finding the Fourth Proportional to 12,793,685.08, 17,654,805.48 and 6,992,419.72

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Solution

The fourth proportional to 12,793,685.08, 17,654,805.48 and 6,992,419.72 is: 9,649,276.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,793,685.08 : 17,654,805.48 = 6,992,419.72 : x
  2. Step 2: Convert to fraction form
    12,793,685.08/17,654,805.48 = 6,992,419.72/x
  3. Step 3: Cross multiply
    12,793,685.08x = 17,654,805.48 × 6,992,419.72
  4. Step 4: Simplify right side
    12,793,685.08x = 123,449,809,991,116.06
  5. Step 5: Solve for x
    x = 123,449,809,991,116.06/12,793,685.08
  6. Step 6: Final answer
    x = 9,649,276.91

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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.