Home / 13,919,330.76-20,880,829.80-5,164,418.04

Finding the Fourth Proportional to 13,919,330.76, 20,880,829.80 and 5,164,418.04

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Solution

The fourth proportional to 13,919,330.76, 20,880,829.80 and 5,164,418.04 is: 7,747,307.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,919,330.76 : 20,880,829.80 = 5,164,418.04 : x
  2. Step 2: Convert to fraction form
    13,919,330.76/20,880,829.80 = 5,164,418.04/x
  3. Step 3: Cross multiply
    13,919,330.76x = 20,880,829.80 × 5,164,418.04
  4. Step 4: Simplify right side
    13,919,330.76x = 107,837,334,109,289.59
  5. Step 5: Solve for x
    x = 107,837,334,109,289.59/13,919,330.76
  6. Step 6: Final answer
    x = 7,747,307.39

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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.