Home / 6,915,627.48-10,380,745.80-3,885,582.72

Finding the Fourth Proportional to 6,915,627.48, 10,380,745.80 and 3,885,582.72

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Solution

The fourth proportional to 6,915,627.48, 10,380,745.80 and 3,885,582.72 is: 5,832,478.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,915,627.48 : 10,380,745.80 = 3,885,582.72 : x
  2. Step 2: Convert to fraction form
    6,915,627.48/10,380,745.80 = 3,885,582.72/x
  3. Step 3: Cross multiply
    6,915,627.48x = 10,380,745.80 × 3,885,582.72
  4. Step 4: Simplify right side
    6,915,627.48x = 40,335,246,501,192.58
  5. Step 5: Solve for x
    x = 40,335,246,501,192.58/6,915,627.48
  6. Step 6: Final answer
    x = 5,832,478.20

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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.