Home / 13,864,806.69-19,126,986.81-8,971,608.78

Finding the Fourth Proportional to 13,864,806.69, 19,126,986.81 and 8,971,608.78

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Solution

The fourth proportional to 13,864,806.69, 19,126,986.81 and 8,971,608.78 is: 12,376,648.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,864,806.69 : 19,126,986.81 = 8,971,608.78 : x
  2. Step 2: Convert to fraction form
    13,864,806.69/19,126,986.81 = 8,971,608.78/x
  3. Step 3: Cross multiply
    13,864,806.69x = 19,126,986.81 × 8,971,608.78
  4. Step 4: Simplify right side
    13,864,806.69x = 171,599,842,799,540.16
  5. Step 5: Solve for x
    x = 171,599,842,799,540.16/13,864,806.69
  6. Step 6: Final answer
    x = 12,376,648.78

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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.