Home / 40,414,826.22-55,772,482.58-21,829,966.28

Finding the Fourth Proportional to 40,414,826.22, 55,772,482.58 and 21,829,966.28

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Solution

The fourth proportional to 40,414,826.22, 55,772,482.58 and 21,829,966.28 is: 30,125,365.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,414,826.22 : 55,772,482.58 = 21,829,966.28 : x
  2. Step 2: Convert to fraction form
    40,414,826.22/55,772,482.58 = 21,829,966.28/x
  3. Step 3: Cross multiply
    40,414,826.22x = 55,772,482.58 × 21,829,966.28
  4. Step 4: Simplify right side
    40,414,826.22x = 1,217,511,413,685,275.25
  5. Step 5: Solve for x
    x = 1,217,511,413,685,275.25/40,414,826.22
  6. Step 6: Final answer
    x = 30,125,365.55

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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.