Home / 43,568,865.74-65,360,391.24-12,866,550.68

Finding the Fourth Proportional to 43,568,865.74, 65,360,391.24 and 12,866,550.68

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Solution

The fourth proportional to 43,568,865.74, 65,360,391.24 and 12,866,550.68 is: 19,301,920.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,568,865.74 : 65,360,391.24 = 12,866,550.68 : x
  2. Step 2: Convert to fraction form
    43,568,865.74/65,360,391.24 = 12,866,550.68/x
  3. Step 3: Cross multiply
    43,568,865.74x = 65,360,391.24 × 12,866,550.68
  4. Step 4: Simplify right side
    43,568,865.74x = 840,962,786,354,088
  5. Step 5: Solve for x
    x = 840,962,786,354,088/43,568,865.74
  6. Step 6: Final answer
    x = 19,301,920.58

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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.