Home / 20,143,177.80-30,211,559.10-6,680,005.80

Finding the Fourth Proportional to 20,143,177.80, 30,211,559.10 and 6,680,005.80

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Solution

The fourth proportional to 20,143,177.80, 30,211,559.10 and 6,680,005.80 is: 10,018,944.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,143,177.80 : 30,211,559.10 = 6,680,005.80 : x
  2. Step 2: Convert to fraction form
    20,143,177.80/30,211,559.10 = 6,680,005.80/x
  3. Step 3: Cross multiply
    20,143,177.80x = 30,211,559.10 × 6,680,005.80
  4. Step 4: Simplify right side
    20,143,177.80x = 201,813,390,015,042.78
  5. Step 5: Solve for x
    x = 201,813,390,015,042.78/20,143,177.80
  6. Step 6: Final answer
    x = 10,018,944.98

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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.