Home / 22,765,653.68-31,415,934.12-12,452,153.72

Finding the Fourth Proportional to 22,765,653.68, 31,415,934.12 and 12,452,153.72

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Solution

The fourth proportional to 22,765,653.68, 31,415,934.12 and 12,452,153.72 is: 17,183,606.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,765,653.68 : 31,415,934.12 = 12,452,153.72 : x
  2. Step 2: Convert to fraction form
    22,765,653.68/31,415,934.12 = 12,452,153.72/x
  3. Step 3: Cross multiply
    22,765,653.68x = 31,415,934.12 × 12,452,153.72
  4. Step 4: Simplify right side
    22,765,653.68x = 391,196,040,919,632.94
  5. Step 5: Solve for x
    x = 391,196,040,919,632.94/22,765,653.68
  6. Step 6: Final answer
    x = 17,183,606.78

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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.