Home / 18,187,019.80-27,291,027.30-6,828,616.60

Finding the Fourth Proportional to 18,187,019.80, 27,291,027.30 and 6,828,616.60

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Solution

The fourth proportional to 18,187,019.80, 27,291,027.30 and 6,828,616.60 is: 10,246,866.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,187,019.80 : 27,291,027.30 = 6,828,616.60 : x
  2. Step 2: Convert to fraction form
    18,187,019.80/27,291,027.30 = 6,828,616.60/x
  3. Step 3: Cross multiply
    18,187,019.80x = 27,291,027.30 × 6,828,616.60
  4. Step 4: Simplify right side
    18,187,019.80x = 186,359,962,051,833.19
  5. Step 5: Solve for x
    x = 186,359,962,051,833.19/18,187,019.80
  6. Step 6: Final answer
    x = 10,246,866.40

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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.