Home / 10,542,968.40-15,814,452.60-9,721,822.80

Finding the Fourth Proportional to 10,542,968.40, 15,814,452.60 and 9,721,822.80

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Solution

The fourth proportional to 10,542,968.40, 15,814,452.60 and 9,721,822.80 is: 14,582,734.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,542,968.40 : 15,814,452.60 = 9,721,822.80 : x
  2. Step 2: Convert to fraction form
    10,542,968.40/15,814,452.60 = 9,721,822.80/x
  3. Step 3: Cross multiply
    10,542,968.40x = 15,814,452.60 × 9,721,822.80
  4. Step 4: Simplify right side
    10,542,968.40x = 153,745,305,856,199.28
  5. Step 5: Solve for x
    x = 153,745,305,856,199.28/10,542,968.40
  6. Step 6: Final answer
    x = 14,582,734.20

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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.