Home / 30,743,947.58-42,427,549.92-16,806,072.92

Finding the Fourth Proportional to 30,743,947.58, 42,427,549.92 and 16,806,072.92

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Solution

The fourth proportional to 30,743,947.58, 42,427,549.92 and 16,806,072.92 is: 23,192,873.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,743,947.58 : 42,427,549.92 = 16,806,072.92 : x
  2. Step 2: Convert to fraction form
    30,743,947.58/42,427,549.92 = 16,806,072.92/x
  3. Step 3: Cross multiply
    30,743,947.58x = 42,427,549.92 × 16,806,072.92
  4. Step 4: Simplify right side
    30,743,947.58x = 713,040,497,772,460.25
  5. Step 5: Solve for x
    x = 713,040,497,772,460.25/30,743,947.58
  6. Step 6: Final answer
    x = 23,192,873.85

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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.