Home / 13,099,816.26-19,628,001.27-7,966,719.90

Finding the Fourth Proportional to 13,099,816.26, 19,628,001.27 and 7,966,719.90

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Solution

The fourth proportional to 13,099,816.26, 19,628,001.27 and 7,966,719.90 is: 11,936,868.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,099,816.26 : 19,628,001.27 = 7,966,719.90 : x
  2. Step 2: Convert to fraction form
    13,099,816.26/19,628,001.27 = 7,966,719.90/x
  3. Step 3: Cross multiply
    13,099,816.26x = 19,628,001.27 × 7,966,719.90
  4. Step 4: Simplify right side
    13,099,816.26x = 156,370,788,314,934.28
  5. Step 5: Solve for x
    x = 156,370,788,314,934.28/13,099,816.26
  6. Step 6: Final answer
    x = 11,936,868.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.