Home / 9,275,790.74-12,800,606.31-5,145,821.93

Finding the Fourth Proportional to 9,275,790.74, 12,800,606.31 and 5,145,821.93

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Solution

The fourth proportional to 9,275,790.74, 12,800,606.31 and 5,145,821.93 is: 7,101,242.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,275,790.74 : 12,800,606.31 = 5,145,821.93 : x
  2. Step 2: Convert to fraction form
    9,275,790.74/12,800,606.31 = 5,145,821.93/x
  3. Step 3: Cross multiply
    9,275,790.74x = 12,800,606.31 × 5,145,821.93
  4. Step 4: Simplify right side
    9,275,790.74x = 65,869,640,699,295.90
  5. Step 5: Solve for x
    x = 65,869,640,699,295.90/9,275,790.74
  6. Step 6: Final answer
    x = 7,101,242.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.