Home / 12,896,904.84-17,797,869.92-7,016,572.44

Finding the Fourth Proportional to 12,896,904.84, 17,797,869.92 and 7,016,572.44

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Solution

The fourth proportional to 12,896,904.84, 17,797,869.92 and 7,016,572.44 is: 9,682,946.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,896,904.84 : 17,797,869.92 = 7,016,572.44 : x
  2. Step 2: Convert to fraction form
    12,896,904.84/17,797,869.92 = 7,016,572.44/x
  3. Step 3: Cross multiply
    12,896,904.84x = 17,797,869.92 × 7,016,572.44
  4. Step 4: Simplify right side
    12,896,904.84x = 124,880,043,571,377.03
  5. Step 5: Solve for x
    x = 124,880,043,571,377.03/12,896,904.84
  6. Step 6: Final answer
    x = 9,682,946.81

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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.