Home / 31,345,726.60-46,947,731.10-18,591,142.60

Finding the Fourth Proportional to 31,345,726.60, 46,947,731.10 and 18,591,142.60

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Solution

The fourth proportional to 31,345,726.60, 46,947,731.10 and 18,591,142.60 is: 27,844,687.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,345,726.60 : 46,947,731.10 = 18,591,142.60 : x
  2. Step 2: Convert to fraction form
    31,345,726.60/46,947,731.10 = 18,591,142.60/x
  3. Step 3: Cross multiply
    31,345,726.60x = 46,947,731.10 × 18,591,142.60
  4. Step 4: Simplify right side
    31,345,726.60x = 872,811,963,626,555
  5. Step 5: Solve for x
    x = 872,811,963,626,555/31,345,726.60
  6. Step 6: Final answer
    x = 27,844,687.56

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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.