Home / 10,977,153.40-16,465,730.10-7,150,778.20

Finding the Fourth Proportional to 10,977,153.40, 16,465,730.10 and 7,150,778.20

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Solution

The fourth proportional to 10,977,153.40, 16,465,730.10 and 7,150,778.20 is: 10,726,167.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,977,153.40 : 16,465,730.10 = 7,150,778.20 : x
  2. Step 2: Convert to fraction form
    10,977,153.40/16,465,730.10 = 7,150,778.20/x
  3. Step 3: Cross multiply
    10,977,153.40x = 16,465,730.10 × 7,150,778.20
  4. Step 4: Simplify right side
    10,977,153.40x = 117,742,783,846,163.83
  5. Step 5: Solve for x
    x = 117,742,783,846,163.83/10,977,153.40
  6. Step 6: Final answer
    x = 10,726,167.30

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1.5x scale

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.