Home / 21,508,936.80-32,263,405.20-10,171,528.80

Finding the Fourth Proportional to 21,508,936.80, 32,263,405.20 and 10,171,528.80

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Solution

The fourth proportional to 21,508,936.80, 32,263,405.20 and 10,171,528.80 is: 15,257,293.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,508,936.80 : 32,263,405.20 = 10,171,528.80 : x
  2. Step 2: Convert to fraction form
    21,508,936.80/32,263,405.20 = 10,171,528.80/x
  3. Step 3: Cross multiply
    21,508,936.80x = 32,263,405.20 × 10,171,528.80
  4. Step 4: Simplify right side
    21,508,936.80x = 328,168,155,177,869.75
  5. Step 5: Solve for x
    x = 328,168,155,177,869.75/21,508,936.80
  6. Step 6: Final answer
    x = 15,257,293.20

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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.