Home / 20,871,131.55-31,306,938.30-6,298,177.24

Finding the Fourth Proportional to 20,871,131.55, 31,306,938.30 and 6,298,177.24

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Solution

The fourth proportional to 20,871,131.55, 31,306,938.30 and 6,298,177.24 is: 9,447,338.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,871,131.55 : 31,306,938.30 = 6,298,177.24 : x
  2. Step 2: Convert to fraction form
    20,871,131.55/31,306,938.30 = 6,298,177.24/x
  3. Step 3: Cross multiply
    20,871,131.55x = 31,306,938.30 × 6,298,177.24
  4. Step 4: Simplify right side
    20,871,131.55x = 197,176,646,255,144.31
  5. Step 5: Solve for x
    x = 197,176,646,255,144.31/20,871,131.55
  6. Step 6: Final answer
    x = 9,447,338.58

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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.