Home / 7,878,636.78-10,873,354.65-4,618,191

Finding the Fourth Proportional to 7,878,636.78, 10,873,354.65 and 4,618,191

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Solution

The fourth proportional to 7,878,636.78, 10,873,354.65 and 4,618,191 is: 6,373,593.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,878,636.78 : 10,873,354.65 = 4,618,191 : x
  2. Step 2: Convert to fraction form
    7,878,636.78/10,873,354.65 = 4,618,191/x
  3. Step 3: Cross multiply
    7,878,636.78x = 10,873,354.65 × 4,618,191
  4. Step 4: Simplify right side
    7,878,636.78x = 50,215,228,584,438.15
  5. Step 5: Solve for x
    x = 50,215,228,584,438.15/7,878,636.78
  6. Step 6: Final answer
    x = 6,373,593.55

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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.