Home / 15,262,020.22-21,040,542.56-12,175,021.12

Finding the Fourth Proportional to 15,262,020.22, 21,040,542.56 and 12,175,021.12

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Solution

The fourth proportional to 15,262,020.22, 21,040,542.56 and 12,175,021.12 is: 16,784,740.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,262,020.22 : 21,040,542.56 = 12,175,021.12 : x
  2. Step 2: Convert to fraction form
    15,262,020.22/21,040,542.56 = 12,175,021.12/x
  3. Step 3: Cross multiply
    15,262,020.22x = 21,040,542.56 × 12,175,021.12
  4. Step 4: Simplify right side
    15,262,020.22x = 256,169,050,044,258.84
  5. Step 5: Solve for x
    x = 256,169,050,044,258.84/15,262,020.22
  6. Step 6: Final answer
    x = 16,784,740.58

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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.