Home / 40,370,128.38-60,554,622.33-18,792,661.50

Finding the Fourth Proportional to 40,370,128.38, 60,554,622.33 and 18,792,661.50

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Solution

The fourth proportional to 40,370,128.38, 60,554,622.33 and 18,792,661.50 is: 28,188,726.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,370,128.38 : 60,554,622.33 = 18,792,661.50 : x
  2. Step 2: Convert to fraction form
    40,370,128.38/60,554,622.33 = 18,792,661.50/x
  3. Step 3: Cross multiply
    40,370,128.38x = 60,554,622.33 × 18,792,661.50
  4. Step 4: Simplify right side
    40,370,128.38x = 1,137,982,519,708,031.25
  5. Step 5: Solve for x
    x = 1,137,982,519,708,031.25/40,370,128.38
  6. Step 6: Final answer
    x = 28,188,726.80

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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.