Home / 7,776,006.90-11,664,010.35-4,920,659.70

Finding the Fourth Proportional to 7,776,006.90, 11,664,010.35 and 4,920,659.70

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Solution

The fourth proportional to 7,776,006.90, 11,664,010.35 and 4,920,659.70 is: 7,380,989.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,776,006.90 : 11,664,010.35 = 4,920,659.70 : x
  2. Step 2: Convert to fraction form
    7,776,006.90/11,664,010.35 = 4,920,659.70/x
  3. Step 3: Cross multiply
    7,776,006.90x = 11,664,010.35 × 4,920,659.70
  4. Step 4: Simplify right side
    7,776,006.90x = 57,394,625,669,627.90
  5. Step 5: Solve for x
    x = 57,394,625,669,627.90/7,776,006.90
  6. Step 6: Final answer
    x = 7,380,989.55

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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.