Home / 18,288,909.80-27,433,364.70-9,218,983.40

Finding the Fourth Proportional to 18,288,909.80, 27,433,364.70 and 9,218,983.40

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Solution

The fourth proportional to 18,288,909.80, 27,433,364.70 and 9,218,983.40 is: 13,828,475.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,288,909.80 : 27,433,364.70 = 9,218,983.40 : x
  2. Step 2: Convert to fraction form
    18,288,909.80/27,433,364.70 = 9,218,983.40/x
  3. Step 3: Cross multiply
    18,288,909.80x = 27,433,364.70 × 9,218,983.40
  4. Step 4: Simplify right side
    18,288,909.80x = 252,907,733,775,445.97
  5. Step 5: Solve for x
    x = 252,907,733,775,445.97/18,288,909.80
  6. Step 6: Final answer
    x = 13,828,475.10

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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.