Home / 7,776,688.70-11,665,033.05-6,170,555.90

Finding the Fourth Proportional to 7,776,688.70, 11,665,033.05 and 6,170,555.90

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Solution

The fourth proportional to 7,776,688.70, 11,665,033.05 and 6,170,555.90 is: 9,255,833.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,776,688.70 : 11,665,033.05 = 6,170,555.90 : x
  2. Step 2: Convert to fraction form
    7,776,688.70/11,665,033.05 = 6,170,555.90/x
  3. Step 3: Cross multiply
    7,776,688.70x = 11,665,033.05 × 6,170,555.90
  4. Step 4: Simplify right side
    7,776,688.70x = 71,979,738,510,372.50
  5. Step 5: Solve for x
    x = 71,979,738,510,372.50/7,776,688.70
  6. Step 6: Final answer
    x = 9,255,833.85

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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.