Home / 18,468,145.80-27,702,218.70-15,066,923.40

Finding the Fourth Proportional to 18,468,145.80, 27,702,218.70 and 15,066,923.40

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Solution

The fourth proportional to 18,468,145.80, 27,702,218.70 and 15,066,923.40 is: 22,600,385.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,468,145.80 : 27,702,218.70 = 15,066,923.40 : x
  2. Step 2: Convert to fraction form
    18,468,145.80/27,702,218.70 = 15,066,923.40/x
  3. Step 3: Cross multiply
    18,468,145.80x = 27,702,218.70 × 15,066,923.40
  4. Step 4: Simplify right side
    18,468,145.80x = 417,387,207,162,947.56
  5. Step 5: Solve for x
    x = 417,387,207,162,947.56/18,468,145.80
  6. Step 6: Final answer
    x = 22,600,385.10

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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.