Home / 13,799,116.28-20,698,599.88-7,959,517.11

Finding the Fourth Proportional to 13,799,116.28, 20,698,599.88 and 7,959,517.11

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Solution

The fourth proportional to 13,799,116.28, 20,698,599.88 and 7,959,517.11 is: 11,939,232.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,799,116.28 : 20,698,599.88 = 7,959,517.11 : x
  2. Step 2: Convert to fraction form
    13,799,116.28/20,698,599.88 = 7,959,517.11/x
  3. Step 3: Cross multiply
    13,799,116.28x = 20,698,599.88 × 7,959,517.11
  4. Step 4: Simplify right side
    13,799,116.28x = 164,750,859,919,044.44
  5. Step 5: Solve for x
    x = 164,750,859,919,044.44/13,799,116.28
  6. Step 6: Final answer
    x = 11,939,232.67

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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.