Home / 20,143,206.80-30,214,810.20-6,680,034.80

Finding the Fourth Proportional to 20,143,206.80, 30,214,810.20 and 6,680,034.80

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Solution

The fourth proportional to 20,143,206.80, 30,214,810.20 and 6,680,034.80 is: 10,020,052.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,143,206.80 : 30,214,810.20 = 6,680,034.80 : x
  2. Step 2: Convert to fraction form
    20,143,206.80/30,214,810.20 = 6,680,034.80/x
  3. Step 3: Cross multiply
    20,143,206.80x = 30,214,810.20 × 6,680,034.80
  4. Step 4: Simplify right side
    20,143,206.80x = 201,835,983,611,394.94
  5. Step 5: Solve for x
    x = 201,835,983,611,394.94/20,143,206.80
  6. Step 6: Final answer
    x = 10,020,052.20

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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.