Home / 8,522,778.40-12,792,040.80-4,266,001.60

Finding the Fourth Proportional to 8,522,778.40, 12,792,040.80 and 4,266,001.60

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Solution

The fourth proportional to 8,522,778.40, 12,792,040.80 and 4,266,001.60 is: 6,402,943.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,522,778.40 : 12,792,040.80 = 4,266,001.60 : x
  2. Step 2: Convert to fraction form
    8,522,778.40/12,792,040.80 = 4,266,001.60/x
  3. Step 3: Cross multiply
    8,522,778.40x = 12,792,040.80 × 4,266,001.60
  4. Step 4: Simplify right side
    8,522,778.40x = 54,570,866,520,065.28
  5. Step 5: Solve for x
    x = 54,570,866,520,065.28/8,522,778.40
  6. Step 6: Final answer
    x = 6,402,943.26

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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.