Home / 14,771,717.97-20,388,372.05-8,662,114.77

Finding the Fourth Proportional to 14,771,717.97, 20,388,372.05 and 8,662,114.77

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Solution

The fourth proportional to 14,771,717.97, 20,388,372.05 and 8,662,114.77 is: 11,955,712.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,771,717.97 : 20,388,372.05 = 8,662,114.77 : x
  2. Step 2: Convert to fraction form
    14,771,717.97/20,388,372.05 = 8,662,114.77/x
  3. Step 3: Cross multiply
    14,771,717.97x = 20,388,372.05 × 8,662,114.77
  4. Step 4: Simplify right side
    14,771,717.97x = 176,606,418,670,560.19
  5. Step 5: Solve for x
    x = 176,606,418,670,560.19/14,771,717.97
  6. Step 6: Final answer
    x = 11,955,712.87

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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.