Home / 47,261,851.20-70,892,776.80-18,498,427.20

Finding the Fourth Proportional to 47,261,851.20, 70,892,776.80 and 18,498,427.20

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Solution

The fourth proportional to 47,261,851.20, 70,892,776.80 and 18,498,427.20 is: 27,747,640.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,261,851.20 : 70,892,776.80 = 18,498,427.20 : x
  2. Step 2: Convert to fraction form
    47,261,851.20/70,892,776.80 = 18,498,427.20/x
  3. Step 3: Cross multiply
    47,261,851.20x = 70,892,776.80 × 18,498,427.20
  4. Step 4: Simplify right side
    47,261,851.20x = 1,311,404,870,640,648.75
  5. Step 5: Solve for x
    x = 1,311,404,870,640,648.75/47,261,851.20
  6. Step 6: Final answer
    x = 27,747,640.80

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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.