Home / 13,788,047.20-20,682,070.80-3,690,668.20

Finding the Fourth Proportional to 13,788,047.20, 20,682,070.80 and 3,690,668.20

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Solution

The fourth proportional to 13,788,047.20, 20,682,070.80 and 3,690,668.20 is: 5,536,002.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,788,047.20 : 20,682,070.80 = 3,690,668.20 : x
  2. Step 2: Convert to fraction form
    13,788,047.20/20,682,070.80 = 3,690,668.20/x
  3. Step 3: Cross multiply
    13,788,047.20x = 20,682,070.80 × 3,690,668.20
  4. Step 4: Simplify right side
    13,788,047.20x = 76,330,661,011,708.56
  5. Step 5: Solve for x
    x = 76,330,661,011,708.56/13,788,047.20
  6. Step 6: Final answer
    x = 5,536,002.30

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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.