Home / 8,915,783.81-12,305,081.39-4,995,805.01

Finding the Fourth Proportional to 8,915,783.81, 12,305,081.39 and 4,995,805.01

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Solution

The fourth proportional to 8,915,783.81, 12,305,081.39 and 4,995,805.01 is: 6,894,939.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,915,783.81 : 12,305,081.39 = 4,995,805.01 : x
  2. Step 2: Convert to fraction form
    8,915,783.81/12,305,081.39 = 4,995,805.01/x
  3. Step 3: Cross multiply
    8,915,783.81x = 12,305,081.39 × 4,995,805.01
  4. Step 4: Simplify right side
    8,915,783.81x = 61,473,787,170,115.33
  5. Step 5: Solve for x
    x = 61,473,787,170,115.33/8,915,783.81
  6. Step 6: Final answer
    x = 6,894,939.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.