Home / 18,439,007.40-27,679,506.30-10,870,237.80

Finding the Fourth Proportional to 18,439,007.40, 27,679,506.30 and 10,870,237.80

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Solution

The fourth proportional to 18,439,007.40, 27,679,506.30 and 10,870,237.80 is: 16,317,733.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,439,007.40 : 27,679,506.30 = 10,870,237.80 : x
  2. Step 2: Convert to fraction form
    18,439,007.40/27,679,506.30 = 10,870,237.80/x
  3. Step 3: Cross multiply
    18,439,007.40x = 27,679,506.30 × 10,870,237.80
  4. Step 4: Simplify right side
    18,439,007.40x = 300,882,815,667,598.19
  5. Step 5: Solve for x
    x = 300,882,815,667,598.19/18,439,007.40
  6. Step 6: Final answer
    x = 16,317,733.87

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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.