Home / 11,878,673.66-17,820,634.89-4,305,442.58

Finding the Fourth Proportional to 11,878,673.66, 17,820,634.89 and 4,305,442.58

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Solution

The fourth proportional to 11,878,673.66, 17,820,634.89 and 4,305,442.58 is: 6,459,115.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,878,673.66 : 17,820,634.89 = 4,305,442.58 : x
  2. Step 2: Convert to fraction form
    11,878,673.66/17,820,634.89 = 4,305,442.58/x
  3. Step 3: Cross multiply
    11,878,673.66x = 17,820,634.89 × 4,305,442.58
  4. Step 4: Simplify right side
    11,878,673.66x = 76,725,720,147,409.23
  5. Step 5: Solve for x
    x = 76,725,720,147,409.23/11,878,673.66
  6. Step 6: Final answer
    x = 6,459,115.08

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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.