Home / 13,311,996.80-19,967,995.20-5,339,542.40

Finding the Fourth Proportional to 13,311,996.80, 19,967,995.20 and 5,339,542.40

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Solution

The fourth proportional to 13,311,996.80, 19,967,995.20 and 5,339,542.40 is: 8,009,313.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,311,996.80 : 19,967,995.20 = 5,339,542.40 : x
  2. Step 2: Convert to fraction form
    13,311,996.80/19,967,995.20 = 5,339,542.40/x
  3. Step 3: Cross multiply
    13,311,996.80x = 19,967,995.20 × 5,339,542.40
  4. Step 4: Simplify right side
    13,311,996.80x = 106,619,957,013,396.48
  5. Step 5: Solve for x
    x = 106,619,957,013,396.48/13,311,996.80
  6. Step 6: Final answer
    x = 8,009,313.60

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Similar ratio
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1.5x scale

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.