Home / 21,339,770-32,009,737.08-5,165,694.80

Finding the Fourth Proportional to 21,339,770, 32,009,737.08 and 5,165,694.80

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Solution

The fourth proportional to 21,339,770, 32,009,737.08 and 5,165,694.80 is: 7,748,562.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,339,770 : 32,009,737.08 = 5,165,694.80 : x
  2. Step 2: Convert to fraction form
    21,339,770/32,009,737.08 = 5,165,694.80/x
  3. Step 3: Cross multiply
    21,339,770x = 32,009,737.08 × 5,165,694.80
  4. Step 4: Simplify right side
    21,339,770x = 165,352,532,383,523.16
  5. Step 5: Solve for x
    x = 165,352,532,383,523.16/21,339,770
  6. Step 6: Final answer
    x = 7,748,562.07

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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.