Home / 40,159,418.07-55,420,594.17-21,824,718.15

Finding the Fourth Proportional to 40,159,418.07, 55,420,594.17 and 21,824,718.15

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Solution

The fourth proportional to 40,159,418.07, 55,420,594.17 and 21,824,718.15 is: 30,118,435.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,159,418.07 : 55,420,594.17 = 21,824,718.15 : x
  2. Step 2: Convert to fraction form
    40,159,418.07/55,420,594.17 = 21,824,718.15/x
  3. Step 3: Cross multiply
    40,159,418.07x = 55,420,594.17 × 21,824,718.15
  4. Step 4: Simplify right side
    40,159,418.07x = 1,209,538,847,465,783.25
  5. Step 5: Solve for x
    x = 1,209,538,847,465,783.25/40,159,418.07
  6. Step 6: Final answer
    x = 30,118,435.61

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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.