Home / 7,881,415.33-11,821,702.43-2,124,056.59

Finding the Fourth Proportional to 7,881,415.33, 11,821,702.43 and 2,124,056.59

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Solution

The fourth proportional to 7,881,415.33, 11,821,702.43 and 2,124,056.59 is: 3,185,971.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,881,415.33 : 11,821,702.43 = 2,124,056.59 : x
  2. Step 2: Convert to fraction form
    7,881,415.33/11,821,702.43 = 2,124,056.59/x
  3. Step 3: Cross multiply
    7,881,415.33x = 11,821,702.43 × 2,124,056.59
  4. Step 4: Simplify right side
    7,881,415.33x = 25,109,964,881,731.72
  5. Step 5: Solve for x
    x = 25,109,964,881,731.72/7,881,415.33
  6. Step 6: Final answer
    x = 3,185,971.53

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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.