Home / 15,902,480.80-21,944,824.80-9,717,868.96

Finding the Fourth Proportional to 15,902,480.80, 21,944,824.80 and 9,717,868.96

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Solution

The fourth proportional to 15,902,480.80, 21,944,824.80 and 9,717,868.96 is: 13,410,293.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,902,480.80 : 21,944,824.80 = 9,717,868.96 : x
  2. Step 2: Convert to fraction form
    15,902,480.80/21,944,824.80 = 9,717,868.96/x
  3. Step 3: Cross multiply
    15,902,480.80x = 21,944,824.80 × 9,717,868.96
  4. Step 4: Simplify right side
    15,902,480.80x = 213,256,931,756,558.25
  5. Step 5: Solve for x
    x = 213,256,931,756,558.25/15,902,480.80
  6. Step 6: Final answer
    x = 13,410,293.30

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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.