Home / 18,439,046.40-27,679,564.80-10,870,276.80

Finding the Fourth Proportional to 18,439,046.40, 27,679,564.80 and 10,870,276.80

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Solution

The fourth proportional to 18,439,046.40, 27,679,564.80 and 10,870,276.80 is: 16,317,792.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,439,046.40 : 27,679,564.80 = 10,870,276.80 : x
  2. Step 2: Convert to fraction form
    18,439,046.40/27,679,564.80 = 10,870,276.80/x
  3. Step 3: Cross multiply
    18,439,046.40x = 27,679,564.80 × 10,870,276.80
  4. Step 4: Simplify right side
    18,439,046.40x = 300,884,531,079,536.69
  5. Step 5: Solve for x
    x = 300,884,531,079,536.69/18,439,046.40
  6. Step 6: Final answer
    x = 16,317,792.39

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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.