Home / 17,378,552.40-23,980,456.08-9,643,920.72

Finding the Fourth Proportional to 17,378,552.40, 23,980,456.08 and 9,643,920.72

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Solution

The fourth proportional to 17,378,552.40, 23,980,456.08 and 9,643,920.72 is: 13,307,530.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,378,552.40 : 23,980,456.08 = 9,643,920.72 : x
  2. Step 2: Convert to fraction form
    17,378,552.40/23,980,456.08 = 9,643,920.72/x
  3. Step 3: Cross multiply
    17,378,552.40x = 23,980,456.08 × 9,643,920.72
  4. Step 4: Simplify right side
    17,378,552.40x = 231,265,617,264,961.97
  5. Step 5: Solve for x
    x = 231,265,617,264,961.97/17,378,552.40
  6. Step 6: Final answer
    x = 13,307,530.57

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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.