Home / 12,715,525.80-19,073,288.70-11,599,499.70

Finding the Fourth Proportional to 12,715,525.80, 19,073,288.70 and 11,599,499.70

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Solution

The fourth proportional to 12,715,525.80, 19,073,288.70 and 11,599,499.70 is: 17,399,249.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,715,525.80 : 19,073,288.70 = 11,599,499.70 : x
  2. Step 2: Convert to fraction form
    12,715,525.80/19,073,288.70 = 11,599,499.70/x
  3. Step 3: Cross multiply
    12,715,525.80x = 19,073,288.70 × 11,599,499.70
  4. Step 4: Simplify right side
    12,715,525.80x = 221,240,606,553,663.38
  5. Step 5: Solve for x
    x = 221,240,606,553,663.38/12,715,525.80
  6. Step 6: Final answer
    x = 17,399,249.55

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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.