Home / 10,550,147.10-15,823,665.45-2,977,878.30

Finding the Fourth Proportional to 10,550,147.10, 15,823,665.45 and 2,977,878.30

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Solution

The fourth proportional to 10,550,147.10, 15,823,665.45 and 2,977,878.30 is: 4,466,378.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,550,147.10 : 15,823,665.45 = 2,977,878.30 : x
  2. Step 2: Convert to fraction form
    10,550,147.10/15,823,665.45 = 2,977,878.30/x
  3. Step 3: Cross multiply
    10,550,147.10x = 15,823,665.45 × 2,977,878.30
  4. Step 4: Simplify right side
    10,550,147.10x = 47,120,949,970,014.73
  5. Step 5: Solve for x
    x = 47,120,949,970,014.73/10,550,147.10
  6. Step 6: Final answer
    x = 4,466,378.48

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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.