Home / 21,724,912.80-32,606,031.60-9,613,015.20

Finding the Fourth Proportional to 21,724,912.80, 32,606,031.60 and 9,613,015.20

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Solution

The fourth proportional to 21,724,912.80, 32,606,031.60 and 9,613,015.20 is: 14,427,780.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,724,912.80 : 32,606,031.60 = 9,613,015.20 : x
  2. Step 2: Convert to fraction form
    21,724,912.80/32,606,031.60 = 9,613,015.20/x
  3. Step 3: Cross multiply
    21,724,912.80x = 32,606,031.60 × 9,613,015.20
  4. Step 4: Simplify right side
    21,724,912.80x = 313,442,277,382,480.31
  5. Step 5: Solve for x
    x = 313,442,277,382,480.31/21,724,912.80
  6. Step 6: Final answer
    x = 14,427,780.69

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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.