Home / 12,959,469.14-17,883,725.94-7,158,126.34

Finding the Fourth Proportional to 12,959,469.14, 17,883,725.94 and 7,158,126.34

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Solution

The fourth proportional to 12,959,469.14, 17,883,725.94 and 7,158,126.34 is: 9,878,025.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,959,469.14 : 17,883,725.94 = 7,158,126.34 : x
  2. Step 2: Convert to fraction form
    12,959,469.14/17,883,725.94 = 7,158,126.34/x
  3. Step 3: Cross multiply
    12,959,469.14x = 17,883,725.94 × 7,158,126.34
  4. Step 4: Simplify right side
    12,959,469.14x = 128,013,969,708,455.27
  5. Step 5: Solve for x
    x = 128,013,969,708,455.27/12,959,469.14
  6. Step 6: Final answer
    x = 9,878,025.74

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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.