Home / 11,663,999.60-17,495,999.40-7,380,978.80

Finding the Fourth Proportional to 11,663,999.60, 17,495,999.40 and 7,380,978.80

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Solution

The fourth proportional to 11,663,999.60, 17,495,999.40 and 7,380,978.80 is: 11,071,468.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,663,999.60 : 17,495,999.40 = 7,380,978.80 : x
  2. Step 2: Convert to fraction form
    11,663,999.60/17,495,999.40 = 7,380,978.80/x
  3. Step 3: Cross multiply
    11,663,999.60x = 17,495,999.40 × 7,380,978.80
  4. Step 4: Simplify right side
    11,663,999.60x = 129,137,600,656,212.70
  5. Step 5: Solve for x
    x = 129,137,600,656,212.70/11,663,999.60
  6. Step 6: Final answer
    x = 11,071,468.20

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1.5x scale

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.