Home / 7,776,006.40-11,664,009.60-7,079,276.80

Finding the Fourth Proportional to 7,776,006.40, 11,664,009.60 and 7,079,276.80

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Solution

The fourth proportional to 7,776,006.40, 11,664,009.60 and 7,079,276.80 is: 10,618,915.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,776,006.40 : 11,664,009.60 = 7,079,276.80 : x
  2. Step 2: Convert to fraction form
    7,776,006.40/11,664,009.60 = 7,079,276.80/x
  3. Step 3: Cross multiply
    7,776,006.40x = 11,664,009.60 × 7,079,276.80
  4. Step 4: Simplify right side
    7,776,006.40x = 82,572,752,556,257.28
  5. Step 5: Solve for x
    x = 82,572,752,556,257.28/7,776,006.40
  6. Step 6: Final answer
    x = 10,618,915.20

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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.