Home / 18,453,660.15-27,680,490.23-4,806,780.15

Finding the Fourth Proportional to 18,453,660.15, 27,680,490.23 and 4,806,780.15

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Solution

The fourth proportional to 18,453,660.15, 27,680,490.23 and 4,806,780.15 is: 7,210,170.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,453,660.15 : 27,680,490.23 = 4,806,780.15 : x
  2. Step 2: Convert to fraction form
    18,453,660.15/27,680,490.23 = 4,806,780.15/x
  3. Step 3: Cross multiply
    18,453,660.15x = 27,680,490.23 × 4,806,780.15
  4. Step 4: Simplify right side
    18,453,660.15x = 133,054,030,955,799.05
  5. Step 5: Solve for x
    x = 133,054,030,955,799.05/18,453,660.15
  6. Step 6: Final answer
    x = 7,210,170.23

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Similar ratio
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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.