Home / 52,182,812.90-72,013,149.09-28,663,524.33

Finding the Fourth Proportional to 52,182,812.90, 72,013,149.09 and 28,663,524.33

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Solution

The fourth proportional to 52,182,812.90, 72,013,149.09 and 28,663,524.33 is: 39,556,139.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,182,812.90 : 72,013,149.09 = 28,663,524.33 : x
  2. Step 2: Convert to fraction form
    52,182,812.90/72,013,149.09 = 28,663,524.33/x
  3. Step 3: Cross multiply
    52,182,812.90x = 72,013,149.09 × 28,663,524.33
  4. Step 4: Simplify right side
    52,182,812.90x = 2,064,150,651,021,132.25
  5. Step 5: Solve for x
    x = 2,064,150,651,021,132.25/52,182,812.90
  6. Step 6: Final answer
    x = 39,556,139.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.