Home / 13,864,807.69-19,126,988.19-8,971,609.78

Finding the Fourth Proportional to 13,864,807.69, 19,126,988.19 and 8,971,609.78

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Solution

The fourth proportional to 13,864,807.69, 19,126,988.19 and 8,971,609.78 is: 12,376,650.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,864,807.69 : 19,126,988.19 = 8,971,609.78 : x
  2. Step 2: Convert to fraction form
    13,864,807.69/19,126,988.19 = 8,971,609.78/x
  3. Step 3: Cross multiply
    13,864,807.69x = 19,126,988.19 × 8,971,609.78
  4. Step 4: Simplify right side
    13,864,807.69x = 171,599,874,307,348.50
  5. Step 5: Solve for x
    x = 171,599,874,307,348.50/13,864,807.69
  6. Step 6: Final answer
    x = 12,376,650.16

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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.