Home / 12,338,972.19-18,496,377.44-5,152,561.27

Finding the Fourth Proportional to 12,338,972.19, 18,496,377.44 and 5,152,561.27

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Solution

The fourth proportional to 12,338,972.19, 18,496,377.44 and 5,152,561.27 is: 7,723,797.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,338,972.19 : 18,496,377.44 = 5,152,561.27 : x
  2. Step 2: Convert to fraction form
    12,338,972.19/18,496,377.44 = 5,152,561.27/x
  3. Step 3: Cross multiply
    12,338,972.19x = 18,496,377.44 × 5,152,561.27
  4. Step 4: Simplify right side
    12,338,972.19x = 95,303,717,979,964.09
  5. Step 5: Solve for x
    x = 95,303,717,979,964.09/12,338,972.19
  6. Step 6: Final answer
    x = 7,723,797.13

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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.