Home / 12,164,654.74-16,785,417.81-7,388,310.46

Finding the Fourth Proportional to 12,164,654.74, 16,785,417.81 and 7,388,310.46

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Solution

The fourth proportional to 12,164,654.74, 16,785,417.81 and 7,388,310.46 is: 10,194,771.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,164,654.74 : 16,785,417.81 = 7,388,310.46 : x
  2. Step 2: Convert to fraction form
    12,164,654.74/16,785,417.81 = 7,388,310.46/x
  3. Step 3: Cross multiply
    12,164,654.74x = 16,785,417.81 × 7,388,310.46
  4. Step 4: Simplify right side
    12,164,654.74x = 124,015,877,981,093.28
  5. Step 5: Solve for x
    x = 124,015,877,981,093.28/12,164,654.74
  6. Step 6: Final answer
    x = 10,194,771.71

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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.