Home / 21,456,139.20-32,184,208.80-17,204,611.20

Finding the Fourth Proportional to 21,456,139.20, 32,184,208.80 and 17,204,611.20

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Solution

The fourth proportional to 21,456,139.20, 32,184,208.80 and 17,204,611.20 is: 25,806,916.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,456,139.20 : 32,184,208.80 = 17,204,611.20 : x
  2. Step 2: Convert to fraction form
    21,456,139.20/32,184,208.80 = 17,204,611.20/x
  3. Step 3: Cross multiply
    21,456,139.20x = 32,184,208.80 × 17,204,611.20
  4. Step 4: Simplify right side
    21,456,139.20x = 553,716,799,183,618.56
  5. Step 5: Solve for x
    x = 553,716,799,183,618.56/21,456,139.20
  6. Step 6: Final answer
    x = 25,806,916.80

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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.