Home / 10,512,040.40-15,738,569.40-10,217,128.40

Finding the Fourth Proportional to 10,512,040.40, 15,738,569.40 and 10,217,128.40

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Solution

The fourth proportional to 10,512,040.40, 15,738,569.40 and 10,217,128.40 is: 15,297,028.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,512,040.40 : 15,738,569.40 = 10,217,128.40 : x
  2. Step 2: Convert to fraction form
    10,512,040.40/15,738,569.40 = 10,217,128.40/x
  3. Step 3: Cross multiply
    10,512,040.40x = 15,738,569.40 × 10,217,128.40
  4. Step 4: Simplify right side
    10,512,040.40x = 160,802,984,392,110.97
  5. Step 5: Solve for x
    x = 160,802,984,392,110.97/10,512,040.40
  6. Step 6: Final answer
    x = 15,297,028.77

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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.