Home / 13,009,072.57-17,952,282.52-7,207,833.13

Finding the Fourth Proportional to 13,009,072.57, 17,952,282.52 and 7,207,833.13

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Solution

The fourth proportional to 13,009,072.57, 17,952,282.52 and 7,207,833.13 is: 9,946,678.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,009,072.57 : 17,952,282.52 = 7,207,833.13 : x
  2. Step 2: Convert to fraction form
    13,009,072.57/17,952,282.52 = 7,207,833.13/x
  3. Step 3: Cross multiply
    13,009,072.57x = 17,952,282.52 × 7,207,833.13
  4. Step 4: Simplify right side
    13,009,072.57x = 129,397,056,706,775.88
  5. Step 5: Solve for x
    x = 129,397,056,706,775.88/13,009,072.57
  6. Step 6: Final answer
    x = 9,946,678.06

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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.