Home / 10,361,396.40-15,540,694.92-2,788,816.56

Finding the Fourth Proportional to 10,361,396.40, 15,540,694.92 and 2,788,816.56

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Solution

The fourth proportional to 10,361,396.40, 15,540,694.92 and 2,788,816.56 is: 4,182,848.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,361,396.40 : 15,540,694.92 = 2,788,816.56 : x
  2. Step 2: Convert to fraction form
    10,361,396.40/15,540,694.92 = 2,788,816.56/x
  3. Step 3: Cross multiply
    10,361,396.40x = 15,540,694.92 × 2,788,816.56
  4. Step 4: Simplify right side
    10,361,396.40x = 43,340,147,346,803.88
  5. Step 5: Solve for x
    x = 43,340,147,346,803.88/10,361,396.40
  6. Step 6: Final answer
    x = 4,182,848.11

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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.