Home / 7,706,721.40-11,551,787.70-2,912,558.20

Finding the Fourth Proportional to 7,706,721.40, 11,551,787.70 and 2,912,558.20

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Solution

The fourth proportional to 7,706,721.40, 11,551,787.70 and 2,912,558.20 is: 4,365,702.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,706,721.40 : 11,551,787.70 = 2,912,558.20 : x
  2. Step 2: Convert to fraction form
    7,706,721.40/11,551,787.70 = 2,912,558.20/x
  3. Step 3: Cross multiply
    7,706,721.40x = 11,551,787.70 × 2,912,558.20
  4. Step 4: Simplify right side
    7,706,721.40x = 33,645,253,990,294.14
  5. Step 5: Solve for x
    x = 33,645,253,990,294.14/7,706,721.40
  6. Step 6: Final answer
    x = 4,365,702.64

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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.