Home / 12,440,265.92-17,163,762.54-7,212,230.57

Finding the Fourth Proportional to 12,440,265.92, 17,163,762.54 and 7,212,230.57

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Solution

The fourth proportional to 12,440,265.92, 17,163,762.54 and 7,212,230.57 is: 9,950,672.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,440,265.92 : 17,163,762.54 = 7,212,230.57 : x
  2. Step 2: Convert to fraction form
    12,440,265.92/17,163,762.54 = 7,212,230.57/x
  3. Step 3: Cross multiply
    12,440,265.92x = 17,163,762.54 × 7,212,230.57
  4. Step 4: Simplify right side
    12,440,265.92x = 123,789,012,903,072.38
  5. Step 5: Solve for x
    x = 123,789,012,903,072.38/12,440,265.92
  6. Step 6: Final answer
    x = 9,950,672.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.