Home / 37,155,988.20-51,275,382.53-20,636,109.78

Finding the Fourth Proportional to 37,155,988.20, 51,275,382.53 and 20,636,109.78

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Solution

The fourth proportional to 37,155,988.20, 51,275,382.53 and 20,636,109.78 is: 28,477,897.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,155,988.20 : 51,275,382.53 = 20,636,109.78 : x
  2. Step 2: Convert to fraction form
    37,155,988.20/51,275,382.53 = 20,636,109.78/x
  3. Step 3: Cross multiply
    37,155,988.20x = 51,275,382.53 × 20,636,109.78
  4. Step 4: Simplify right side
    37,155,988.20x = 1,058,124,422,797,393.62
  5. Step 5: Solve for x
    x = 1,058,124,422,797,393.62/37,155,988.20
  6. Step 6: Final answer
    x = 28,477,897.48

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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.