Home / 11,663,986.60-17,495,979.90-7,380,965.80

Finding the Fourth Proportional to 11,663,986.60, 17,495,979.90 and 7,380,965.80

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Solution

The fourth proportional to 11,663,986.60, 17,495,979.90 and 7,380,965.80 is: 11,071,448.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,663,986.60 : 17,495,979.90 = 7,380,965.80 : x
  2. Step 2: Convert to fraction form
    11,663,986.60/17,495,979.90 = 7,380,965.80/x
  3. Step 3: Cross multiply
    11,663,986.60x = 17,495,979.90 × 7,380,965.80
  4. Step 4: Simplify right side
    11,663,986.60x = 129,137,229,279,387.41
  5. Step 5: Solve for x
    x = 129,137,229,279,387.41/11,663,986.60
  6. Step 6: Final answer
    x = 11,071,448.70

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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.