Home / 20,934,743.31-31,403,614.77-5,581,952.51

Finding the Fourth Proportional to 20,934,743.31, 31,403,614.77 and 5,581,952.51

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Solution

The fourth proportional to 20,934,743.31, 31,403,614.77 and 5,581,952.51 is: 8,373,328.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,934,743.31 : 31,403,614.77 = 5,581,952.51 : x
  2. Step 2: Convert to fraction form
    20,934,743.31/31,403,614.77 = 5,581,952.51/x
  3. Step 3: Cross multiply
    20,934,743.31x = 31,403,614.77 × 5,581,952.51
  4. Step 4: Simplify right side
    20,934,743.31x = 175,293,486,131,456.50
  5. Step 5: Solve for x
    x = 175,293,486,131,456.50/20,934,743.31
  6. Step 6: Final answer
    x = 8,373,328.66

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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.