Home / 40,017,569.28-55,219,994.09-22,132,947.68

Finding the Fourth Proportional to 40,017,569.28, 55,219,994.09 and 22,132,947.68

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Solution

The fourth proportional to 40,017,569.28, 55,219,994.09 and 22,132,947.68 is: 30,541,116.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,017,569.28 : 55,219,994.09 = 22,132,947.68 : x
  2. Step 2: Convert to fraction form
    40,017,569.28/55,219,994.09 = 22,132,947.68/x
  3. Step 3: Cross multiply
    40,017,569.28x = 55,219,994.09 × 22,132,947.68
  4. Step 4: Simplify right side
    40,017,569.28x = 1,222,181,240,125,238
  5. Step 5: Solve for x
    x = 1,222,181,240,125,238/40,017,569.28
  6. Step 6: Final answer
    x = 30,541,116.37

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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.