Home / 7,957,840.50-10,956,640.23-7,230,512.34

Finding the Fourth Proportional to 7,957,840.50, 10,956,640.23 and 7,230,512.34

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Solution

The fourth proportional to 7,957,840.50, 10,956,640.23 and 7,230,512.34 is: 9,955,228.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,957,840.50 : 10,956,640.23 = 7,230,512.34 : x
  2. Step 2: Convert to fraction form
    7,957,840.50/10,956,640.23 = 7,230,512.34/x
  3. Step 3: Cross multiply
    7,957,840.50x = 10,956,640.23 × 7,230,512.34
  4. Step 4: Simplify right side
    7,957,840.50x = 79,222,122,387,955.44
  5. Step 5: Solve for x
    x = 79,222,122,387,955.44/7,957,840.50
  6. Step 6: Final answer
    x = 9,955,228.73

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1.5x scale

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.