Home / 21,868,942.33-30,179,065.59-12,576,073.69

Finding the Fourth Proportional to 21,868,942.33, 30,179,065.59 and 12,576,073.69

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Solution

The fourth proportional to 21,868,942.33, 30,179,065.59 and 12,576,073.69 is: 17,354,938.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,868,942.33 : 30,179,065.59 = 12,576,073.69 : x
  2. Step 2: Convert to fraction form
    21,868,942.33/30,179,065.59 = 12,576,073.69/x
  3. Step 3: Cross multiply
    21,868,942.33x = 30,179,065.59 × 12,576,073.69
  4. Step 4: Simplify right side
    21,868,942.33x = 379,534,152,755,183.31
  5. Step 5: Solve for x
    x = 379,534,152,755,183.31/21,868,942.33
  6. Step 6: Final answer
    x = 17,354,938.66

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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.