Home / 21,491,938.20-32,237,907.30-7,117,224.60

Finding the Fourth Proportional to 21,491,938.20, 32,237,907.30 and 7,117,224.60

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Solution

The fourth proportional to 21,491,938.20, 32,237,907.30 and 7,117,224.60 is: 10,675,836.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,491,938.20 : 32,237,907.30 = 7,117,224.60 : x
  2. Step 2: Convert to fraction form
    21,491,938.20/32,237,907.30 = 7,117,224.60/x
  3. Step 3: Cross multiply
    21,491,938.20x = 32,237,907.30 × 7,117,224.60
  4. Step 4: Simplify right side
    21,491,938.20x = 229,444,426,888,079.56
  5. Step 5: Solve for x
    x = 229,444,426,888,079.56/21,491,938.20
  6. Step 6: Final answer
    x = 10,675,836.90

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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.