Home / 10,455,410.40-15,683,893.20-3,722,949.60

Finding the Fourth Proportional to 10,455,410.40, 15,683,893.20 and 3,722,949.60

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Solution

The fourth proportional to 10,455,410.40, 15,683,893.20 and 3,722,949.60 is: 5,584,701.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,455,410.40 : 15,683,893.20 = 3,722,949.60 : x
  2. Step 2: Convert to fraction form
    10,455,410.40/15,683,893.20 = 3,722,949.60/x
  3. Step 3: Cross multiply
    10,455,410.40x = 15,683,893.20 × 3,722,949.60
  4. Step 4: Simplify right side
    10,455,410.40x = 58,390,343,915,382.72
  5. Step 5: Solve for x
    x = 58,390,343,915,382.72/10,455,410.40
  6. Step 6: Final answer
    x = 5,584,701.29

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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.