Home / 12,896,372.43-17,796,993.30-7,095,029.72

Finding the Fourth Proportional to 12,896,372.43, 17,796,993.30 and 7,095,029.72

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Solution

The fourth proportional to 12,896,372.43, 17,796,993.30 and 7,095,029.72 is: 9,791,140.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,896,372.43 : 17,796,993.30 = 7,095,029.72 : x
  2. Step 2: Convert to fraction form
    12,896,372.43/17,796,993.30 = 7,095,029.72/x
  3. Step 3: Cross multiply
    12,896,372.43x = 17,796,993.30 × 7,095,029.72
  4. Step 4: Simplify right side
    12,896,372.43x = 126,270,196,301,155.91
  5. Step 5: Solve for x
    x = 126,270,196,301,155.91/12,896,372.43
  6. Step 6: Final answer
    x = 9,791,140.65

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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.