Home / 22,291,517.60-33,437,276.40-18,890,295.20

Finding the Fourth Proportional to 22,291,517.60, 33,437,276.40 and 18,890,295.20

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Solution

The fourth proportional to 22,291,517.60, 33,437,276.40 and 18,890,295.20 is: 28,335,442.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,291,517.60 : 33,437,276.40 = 18,890,295.20 : x
  2. Step 2: Convert to fraction form
    22,291,517.60/33,437,276.40 = 18,890,295.20/x
  3. Step 3: Cross multiply
    22,291,517.60x = 33,437,276.40 × 18,890,295.20
  4. Step 4: Simplify right side
    22,291,517.60x = 631,640,021,879,993.25
  5. Step 5: Solve for x
    x = 631,640,021,879,993.25/22,291,517.60
  6. Step 6: Final answer
    x = 28,335,442.80

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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.