Home / 21,958,046.72-30,301,734.36-12,168,470.96

Finding the Fourth Proportional to 21,958,046.72, 30,301,734.36 and 12,168,470.96

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Solution

The fourth proportional to 21,958,046.72, 30,301,734.36 and 12,168,470.96 is: 16,792,284.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,958,046.72 : 30,301,734.36 = 12,168,470.96 : x
  2. Step 2: Convert to fraction form
    21,958,046.72/30,301,734.36 = 12,168,470.96/x
  3. Step 3: Cross multiply
    21,958,046.72x = 30,301,734.36 × 12,168,470.96
  4. Step 4: Simplify right side
    21,958,046.72x = 368,725,774,597,294.19
  5. Step 5: Solve for x
    x = 368,725,774,597,294.19/21,958,046.72
  6. Step 6: Final answer
    x = 16,792,284.82

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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.