Home / 18,288,805.80-27,433,208.70-9,218,879.40

Finding the Fourth Proportional to 18,288,805.80, 27,433,208.70 and 9,218,879.40

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Solution

The fourth proportional to 18,288,805.80, 27,433,208.70 and 9,218,879.40 is: 13,828,319.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,288,805.80 : 27,433,208.70 = 9,218,879.40 : x
  2. Step 2: Convert to fraction form
    18,288,805.80/27,433,208.70 = 9,218,879.40/x
  3. Step 3: Cross multiply
    18,288,805.80x = 27,433,208.70 × 9,218,879.40
  4. Step 4: Simplify right side
    18,288,805.80x = 252,903,442,560,330.78
  5. Step 5: Solve for x
    x = 252,903,442,560,330.78/18,288,805.80
  6. Step 6: Final answer
    x = 13,828,319.10

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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.