Home / 12,424,993.19-18,631,253.25-7,239,281.31

Finding the Fourth Proportional to 12,424,993.19, 18,631,253.25 and 7,239,281.31

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Solution

The fourth proportional to 12,424,993.19, 18,631,253.25 and 7,239,281.31 is: 10,855,288.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,424,993.19 : 18,631,253.25 = 7,239,281.31 : x
  2. Step 2: Convert to fraction form
    12,424,993.19/18,631,253.25 = 7,239,281.31/x
  3. Step 3: Cross multiply
    12,424,993.19x = 18,631,253.25 × 7,239,281.31
  4. Step 4: Simplify right side
    12,424,993.19x = 134,876,883,335,636.12
  5. Step 5: Solve for x
    x = 134,876,883,335,636.12/12,424,993.19
  6. Step 6: Final answer
    x = 10,855,288.31

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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.