Home / 14,771,679.59-20,388,319.17-8,662,076.39

Finding the Fourth Proportional to 14,771,679.59, 20,388,319.17 and 8,662,076.39

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Solution

The fourth proportional to 14,771,679.59, 20,388,319.17 and 8,662,076.39 is: 11,955,659.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,771,679.59 : 20,388,319.17 = 8,662,076.39 : x
  2. Step 2: Convert to fraction form
    14,771,679.59/20,388,319.17 = 8,662,076.39/x
  3. Step 3: Cross multiply
    14,771,679.59x = 20,388,319.17 × 8,662,076.39
  4. Step 4: Simplify right side
    14,771,679.59x = 176,605,178,114,241.44
  5. Step 5: Solve for x
    x = 176,605,178,114,241.44/14,771,679.59
  6. Step 6: Final answer
    x = 11,955,659.95

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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.