Home / 28,734,345.20-43,101,517.80-17,963,807.60

Finding the Fourth Proportional to 28,734,345.20, 43,101,517.80 and 17,963,807.60

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Solution

The fourth proportional to 28,734,345.20, 43,101,517.80 and 17,963,807.60 is: 26,945,711.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,734,345.20 : 43,101,517.80 = 17,963,807.60 : x
  2. Step 2: Convert to fraction form
    28,734,345.20/43,101,517.80 = 17,963,807.60/x
  3. Step 3: Cross multiply
    28,734,345.20x = 43,101,517.80 × 17,963,807.60
  4. Step 4: Simplify right side
    28,734,345.20x = 774,267,373,027,175.25
  5. Step 5: Solve for x
    x = 774,267,373,027,175.25/28,734,345.20
  6. Step 6: Final answer
    x = 26,945,711.40

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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.