Home / 21,256,645.96-31,890,309.42-6,110,605

Finding the Fourth Proportional to 21,256,645.96, 31,890,309.42 and 6,110,605

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Solution

The fourth proportional to 21,256,645.96, 31,890,309.42 and 6,110,605 is: 9,167,442.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,256,645.96 : 31,890,309.42 = 6,110,605 : x
  2. Step 2: Convert to fraction form
    21,256,645.96/31,890,309.42 = 6,110,605/x
  3. Step 3: Cross multiply
    21,256,645.96x = 31,890,309.42 × 6,110,605
  4. Step 4: Simplify right side
    21,256,645.96x = 194,869,084,193,399.12
  5. Step 5: Solve for x
    x = 194,869,084,193,399.12/21,256,645.96
  6. Step 6: Final answer
    x = 9,167,442.72

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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.