Home / 21,728,747.96-32,561,220.89-10,931,208.20

Finding the Fourth Proportional to 21,728,747.96, 32,561,220.89 and 10,931,208.20

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Solution

The fourth proportional to 21,728,747.96, 32,561,220.89 and 10,931,208.20 is: 16,380,763.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,728,747.96 : 32,561,220.89 = 10,931,208.20 : x
  2. Step 2: Convert to fraction form
    21,728,747.96/32,561,220.89 = 10,931,208.20/x
  3. Step 3: Cross multiply
    21,728,747.96x = 32,561,220.89 × 10,931,208.20
  4. Step 4: Simplify right side
    21,728,747.96x = 355,933,484,659,301.19
  5. Step 5: Solve for x
    x = 355,933,484,659,301.19/21,728,747.96
  6. Step 6: Final answer
    x = 16,380,763.65

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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.