Home / 18,806,427.54-28,209,647.22-12,415,185.24

Finding the Fourth Proportional to 18,806,427.54, 28,209,647.22 and 12,415,185.24

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Solution

The fourth proportional to 18,806,427.54, 28,209,647.22 and 12,415,185.24 is: 18,622,781.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,806,427.54 : 28,209,647.22 = 12,415,185.24 : x
  2. Step 2: Convert to fraction form
    18,806,427.54/28,209,647.22 = 12,415,185.24/x
  3. Step 3: Cross multiply
    18,806,427.54x = 28,209,647.22 × 12,415,185.24
  4. Step 4: Simplify right side
    18,806,427.54x = 350,227,995,791,351
  5. Step 5: Solve for x
    x = 350,227,995,791,351/18,806,427.54
  6. Step 6: Final answer
    x = 18,622,781.76

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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.