Home / 12,679,057.16-17,497,097.40-7,172,314

Finding the Fourth Proportional to 12,679,057.16, 17,497,097.40 and 7,172,314

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Solution

The fourth proportional to 12,679,057.16, 17,497,097.40 and 7,172,314 is: 9,897,792.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,679,057.16 : 17,497,097.40 = 7,172,314 : x
  2. Step 2: Convert to fraction form
    12,679,057.16/17,497,097.40 = 7,172,314/x
  3. Step 3: Cross multiply
    12,679,057.16x = 17,497,097.40 × 7,172,314
  4. Step 4: Simplify right side
    12,679,057.16x = 125,494,676,641,383.59
  5. Step 5: Solve for x
    x = 125,494,676,641,383.59/12,679,057.16
  6. Step 6: Final answer
    x = 9,897,792.48

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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.