Home / 28,177,726.41-42,237,092.79-11,792,399.31

Finding the Fourth Proportional to 28,177,726.41, 42,237,092.79 and 11,792,399.31

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Solution

The fourth proportional to 28,177,726.41, 42,237,092.79 and 11,792,399.31 is: 17,676,254.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,177,726.41 : 42,237,092.79 = 11,792,399.31 : x
  2. Step 2: Convert to fraction form
    28,177,726.41/42,237,092.79 = 11,792,399.31/x
  3. Step 3: Cross multiply
    28,177,726.41x = 42,237,092.79 × 11,792,399.31
  4. Step 4: Simplify right side
    28,177,726.41x = 498,076,664,088,723.19
  5. Step 5: Solve for x
    x = 498,076,664,088,723.19/28,177,726.41
  6. Step 6: Final answer
    x = 17,676,254.53

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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.