Home / 10,127,012.85-13,974,930-5,777,507.25

Finding the Fourth Proportional to 10,127,012.85, 13,974,930 and 5,777,507.25

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Solution

The fourth proportional to 10,127,012.85, 13,974,930 and 5,777,507.25 is: 7,972,761.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,127,012.85 : 13,974,930 = 5,777,507.25 : x
  2. Step 2: Convert to fraction form
    10,127,012.85/13,974,930 = 5,777,507.25/x
  3. Step 3: Cross multiply
    10,127,012.85x = 13,974,930 × 5,777,507.25
  4. Step 4: Simplify right side
    10,127,012.85x = 80,740,259,393,242.50
  5. Step 5: Solve for x
    x = 80,740,259,393,242.50/10,127,012.85
  6. Step 6: Final answer
    x = 7,972,761.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.