Home / 18,876,680.40-28,336,015.80-10,373,624.40

Finding the Fourth Proportional to 18,876,680.40, 28,336,015.80 and 10,373,624.40

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Solution

The fourth proportional to 18,876,680.40, 28,336,015.80 and 10,373,624.40 is: 15,571,974.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,876,680.40 : 28,336,015.80 = 10,373,624.40 : x
  2. Step 2: Convert to fraction form
    18,876,680.40/28,336,015.80 = 10,373,624.40/x
  3. Step 3: Cross multiply
    18,876,680.40x = 28,336,015.80 × 10,373,624.40
  4. Step 4: Simplify right side
    18,876,680.40x = 293,947,184,901,665.56
  5. Step 5: Solve for x
    x = 293,947,184,901,665.56/18,876,680.40
  6. Step 6: Final answer
    x = 15,571,974.45

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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.