Home / 12,425,019.87-18,631,293.14-7,239,307.97

Finding the Fourth Proportional to 12,425,019.87, 18,631,293.14 and 7,239,307.97

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Solution

The fourth proportional to 12,425,019.87, 18,631,293.14 and 7,239,307.97 is: 10,855,328.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,425,019.87 : 18,631,293.14 = 7,239,307.97 : x
  2. Step 2: Convert to fraction form
    12,425,019.87/18,631,293.14 = 7,239,307.97/x
  3. Step 3: Cross multiply
    12,425,019.87x = 18,631,293.14 × 7,239,307.97
  4. Step 4: Simplify right side
    12,425,019.87x = 134,877,668,790,455.33
  5. Step 5: Solve for x
    x = 134,877,668,790,455.33/12,425,019.87
  6. Step 6: Final answer
    x = 10,855,328.22

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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.