Home / 12,896,211.72-17,796,771.56-7,094,868.91

Finding the Fourth Proportional to 12,896,211.72, 17,796,771.56 and 7,094,868.91

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Solution

The fourth proportional to 12,896,211.72, 17,796,771.56 and 7,094,868.91 is: 9,790,918.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,896,211.72 : 17,796,771.56 = 7,094,868.91 : x
  2. Step 2: Convert to fraction form
    12,896,211.72/17,796,771.56 = 7,094,868.91/x
  3. Step 3: Cross multiply
    12,896,211.72x = 17,796,771.56 × 7,094,868.91
  4. Step 4: Simplify right side
    12,896,211.72x = 126,265,761,239,416.19
  5. Step 5: Solve for x
    x = 126,265,761,239,416.19/12,896,211.72
  6. Step 6: Final answer
    x = 9,790,918.76

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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.