Home / 10,657,519.80-15,986,279.70-3,928,558.20

Finding the Fourth Proportional to 10,657,519.80, 15,986,279.70 and 3,928,558.20

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Solution

The fourth proportional to 10,657,519.80, 15,986,279.70 and 3,928,558.20 is: 5,892,837.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,657,519.80 : 15,986,279.70 = 3,928,558.20 : x
  2. Step 2: Convert to fraction form
    10,657,519.80/15,986,279.70 = 3,928,558.20/x
  3. Step 3: Cross multiply
    10,657,519.80x = 15,986,279.70 × 3,928,558.20
  4. Step 4: Simplify right side
    10,657,519.80x = 62,803,030,202,928.54
  5. Step 5: Solve for x
    x = 62,803,030,202,928.54/10,657,519.80
  6. Step 6: Final answer
    x = 5,892,837.30

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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.