Home / 37,675,642.90-51,988,833.69-21,152,540.38

Finding the Fourth Proportional to 37,675,642.90, 51,988,833.69 and 21,152,540.38

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Solution

The fourth proportional to 37,675,642.90, 51,988,833.69 and 21,152,540.38 is: 29,188,510.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,675,642.90 : 51,988,833.69 = 21,152,540.38 : x
  2. Step 2: Convert to fraction form
    37,675,642.90/51,988,833.69 = 21,152,540.38/x
  3. Step 3: Cross multiply
    37,675,642.90x = 51,988,833.69 × 21,152,540.38
  4. Step 4: Simplify right side
    37,675,642.90x = 1,099,695,903,936,829.25
  5. Step 5: Solve for x
    x = 1,099,695,903,936,829.25/37,675,642.90
  6. Step 6: Final answer
    x = 29,188,510.65

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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.