Home / 18,145,392.15-27,218,088.23-11,426,928.15

Finding the Fourth Proportional to 18,145,392.15, 27,218,088.23 and 11,426,928.15

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Solution

The fourth proportional to 18,145,392.15, 27,218,088.23 and 11,426,928.15 is: 17,140,392.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,145,392.15 : 27,218,088.23 = 11,426,928.15 : x
  2. Step 2: Convert to fraction form
    18,145,392.15/27,218,088.23 = 11,426,928.15/x
  3. Step 3: Cross multiply
    18,145,392.15x = 27,218,088.23 × 11,426,928.15
  4. Step 4: Simplify right side
    18,145,392.15x = 311,019,138,527,436.06
  5. Step 5: Solve for x
    x = 311,019,138,527,436.06/18,145,392.15
  6. Step 6: Final answer
    x = 17,140,392.23

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Double scale
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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.