Home / 13,857,065.20-20,785,597.80-3,759,686.20

Finding the Fourth Proportional to 13,857,065.20, 20,785,597.80 and 3,759,686.20

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Solution

The fourth proportional to 13,857,065.20, 20,785,597.80 and 3,759,686.20 is: 5,639,529.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,857,065.20 : 20,785,597.80 = 3,759,686.20 : x
  2. Step 2: Convert to fraction form
    13,857,065.20/20,785,597.80 = 3,759,686.20/x
  3. Step 3: Cross multiply
    13,857,065.20x = 20,785,597.80 × 3,759,686.20
  4. Step 4: Simplify right side
    13,857,065.20x = 78,147,325,207,410.36
  5. Step 5: Solve for x
    x = 78,147,325,207,410.36/13,857,065.20
  6. Step 6: Final answer
    x = 5,639,529.30

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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.