Home / 30,507,150.56-42,100,421.49-16,568,502.89

Finding the Fourth Proportional to 30,507,150.56, 42,100,421.49 and 16,568,502.89

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Solution

The fourth proportional to 30,507,150.56, 42,100,421.49 and 16,568,502.89 is: 22,864,834.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,507,150.56 : 42,100,421.49 = 16,568,502.89 : x
  2. Step 2: Convert to fraction form
    30,507,150.56/42,100,421.49 = 16,568,502.89/x
  3. Step 3: Cross multiply
    30,507,150.56x = 42,100,421.49 × 16,568,502.89
  4. Step 4: Simplify right side
    30,507,150.56x = 697,540,954,916,781
  5. Step 5: Solve for x
    x = 697,540,954,916,781/30,507,150.56
  6. Step 6: Final answer
    x = 22,864,834.71

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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.