Home / 9,132,550.19-12,603,122.81-5,212,227.61

Finding the Fourth Proportional to 9,132,550.19, 12,603,122.81 and 5,212,227.61

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Solution

The fourth proportional to 9,132,550.19, 12,603,122.81 and 5,212,227.61 is: 7,192,990.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,132,550.19 : 12,603,122.81 = 5,212,227.61 : x
  2. Step 2: Convert to fraction form
    9,132,550.19/12,603,122.81 = 5,212,227.61/x
  3. Step 3: Cross multiply
    9,132,550.19x = 12,603,122.81 × 5,212,227.61
  4. Step 4: Simplify right side
    9,132,550.19x = 65,690,344,682,502.79
  5. Step 5: Solve for x
    x = 65,690,344,682,502.79/9,132,550.19
  6. Step 6: Final answer
    x = 7,192,990.27

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1.5x scale

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.