Home / 20,027,977.80-30,054,301.56-7,895,376.60

Finding the Fourth Proportional to 20,027,977.80, 30,054,301.56 and 7,895,376.60

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Solution

The fourth proportional to 20,027,977.80, 30,054,301.56 and 7,895,376.60 is: 11,847,927.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,027,977.80 : 30,054,301.56 = 7,895,376.60 : x
  2. Step 2: Convert to fraction form
    20,027,977.80/30,054,301.56 = 7,895,376.60/x
  3. Step 3: Cross multiply
    20,027,977.80x = 30,054,301.56 × 7,895,376.60
  4. Step 4: Simplify right side
    20,027,977.80x = 237,290,029,266,167.47
  5. Step 5: Solve for x
    x = 237,290,029,266,167.47/20,027,977.80
  6. Step 6: Final answer
    x = 11,847,927.52

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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.