Home / 12,586,751.82-17,363,429.40-7,946,287.74

Finding the Fourth Proportional to 12,586,751.82, 17,363,429.40 and 7,946,287.74

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Solution

The fourth proportional to 12,586,751.82, 17,363,429.40 and 7,946,287.74 is: 10,961,907.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,586,751.82 : 17,363,429.40 = 7,946,287.74 : x
  2. Step 2: Convert to fraction form
    12,586,751.82/17,363,429.40 = 7,946,287.74/x
  3. Step 3: Cross multiply
    12,586,751.82x = 17,363,429.40 × 7,946,287.74
  4. Step 4: Simplify right side
    12,586,751.82x = 137,974,806,165,575.55
  5. Step 5: Solve for x
    x = 137,974,806,165,575.55/12,586,751.82
  6. Step 6: Final answer
    x = 10,961,907.26

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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.