Home / 36,147,947.80-54,221,921.70-12,213,074.20

Finding the Fourth Proportional to 36,147,947.80, 54,221,921.70 and 12,213,074.20

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Solution

The fourth proportional to 36,147,947.80, 54,221,921.70 and 12,213,074.20 is: 18,319,611.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,147,947.80 : 54,221,921.70 = 12,213,074.20 : x
  2. Step 2: Convert to fraction form
    36,147,947.80/54,221,921.70 = 12,213,074.20/x
  3. Step 3: Cross multiply
    36,147,947.80x = 54,221,921.70 × 12,213,074.20
  4. Step 4: Simplify right side
    36,147,947.80x = 662,216,352,988,690.12
  5. Step 5: Solve for x
    x = 662,216,352,988,690.12/36,147,947.80
  6. Step 6: Final answer
    x = 18,319,611.30

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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.