Home / 13,979,357.32-20,970,247.70-4,266,157.18

Finding the Fourth Proportional to 13,979,357.32, 20,970,247.70 and 4,266,157.18

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Solution

The fourth proportional to 13,979,357.32, 20,970,247.70 and 4,266,157.18 is: 6,399,605.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,979,357.32 : 20,970,247.70 = 4,266,157.18 : x
  2. Step 2: Convert to fraction form
    13,979,357.32/20,970,247.70 = 4,266,157.18/x
  3. Step 3: Cross multiply
    13,979,357.32x = 20,970,247.70 × 4,266,157.18
  4. Step 4: Simplify right side
    13,979,357.32x = 89,462,372,791,733.48
  5. Step 5: Solve for x
    x = 89,462,372,791,733.48/13,979,357.32
  6. Step 6: Final answer
    x = 6,399,605.56

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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.