Home / 13,471,191.32-20,219,561.94-8,338,094.06

Finding the Fourth Proportional to 13,471,191.32, 20,219,561.94 and 8,338,094.06

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Solution

The fourth proportional to 13,471,191.32, 20,219,561.94 and 8,338,094.06 is: 12,515,048.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,471,191.32 : 20,219,561.94 = 8,338,094.06 : x
  2. Step 2: Convert to fraction form
    13,471,191.32/20,219,561.94 = 8,338,094.06/x
  3. Step 3: Cross multiply
    13,471,191.32x = 20,219,561.94 × 8,338,094.06
  4. Step 4: Simplify right side
    13,471,191.32x = 168,592,609,206,618.28
  5. Step 5: Solve for x
    x = 168,592,609,206,618.28/13,471,191.32
  6. Step 6: Final answer
    x = 12,515,048.24

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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.