Home / 28,135,031.82-42,196,642.29-7,935,549.90

Finding the Fourth Proportional to 28,135,031.82, 42,196,642.29 and 7,935,549.90

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Solution

The fourth proportional to 28,135,031.82, 42,196,642.29 and 7,935,549.90 is: 11,901,659.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,135,031.82 : 42,196,642.29 = 7,935,549.90 : x
  2. Step 2: Convert to fraction form
    28,135,031.82/42,196,642.29 = 7,935,549.90/x
  3. Step 3: Cross multiply
    28,135,031.82x = 42,196,642.29 × 7,935,549.90
  4. Step 4: Simplify right side
    28,135,031.82x = 334,853,560,504,745.25
  5. Step 5: Solve for x
    x = 334,853,560,504,745.25/28,135,031.82
  6. Step 6: Final answer
    x = 11,901,659.21

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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.