Home / 21,559,939.20-32,339,908.80-10,222,531.20

Finding the Fourth Proportional to 21,559,939.20, 32,339,908.80 and 10,222,531.20

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Solution

The fourth proportional to 21,559,939.20, 32,339,908.80 and 10,222,531.20 is: 15,333,796.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,559,939.20 : 32,339,908.80 = 10,222,531.20 : x
  2. Step 2: Convert to fraction form
    21,559,939.20/32,339,908.80 = 10,222,531.20/x
  3. Step 3: Cross multiply
    21,559,939.20x = 32,339,908.80 × 10,222,531.20
  4. Step 4: Simplify right side
    21,559,939.20x = 330,595,726,713,154.56
  5. Step 5: Solve for x
    x = 330,595,726,713,154.56/21,559,939.20
  6. Step 6: Final answer
    x = 15,333,796.80

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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.