Home / 11,721,877.40-17,582,816.10-4,149,608.60

Finding the Fourth Proportional to 11,721,877.40, 17,582,816.10 and 4,149,608.60

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Solution

The fourth proportional to 11,721,877.40, 17,582,816.10 and 4,149,608.60 is: 6,224,412.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,721,877.40 : 17,582,816.10 = 4,149,608.60 : x
  2. Step 2: Convert to fraction form
    11,721,877.40/17,582,816.10 = 4,149,608.60/x
  3. Step 3: Cross multiply
    11,721,877.40x = 17,582,816.10 × 4,149,608.60
  4. Step 4: Simplify right side
    11,721,877.40x = 72,961,804,900,778.47
  5. Step 5: Solve for x
    x = 72,961,804,900,778.47/11,721,877.40
  6. Step 6: Final answer
    x = 6,224,412.90

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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.