Home / 12,932,865.60-17,847,785.25-7,052,821.44

Finding the Fourth Proportional to 12,932,865.60, 17,847,785.25 and 7,052,821.44

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Solution

The fourth proportional to 12,932,865.60, 17,847,785.25 and 7,052,821.44 is: 9,733,128.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,932,865.60 : 17,847,785.25 = 7,052,821.44 : x
  2. Step 2: Convert to fraction form
    12,932,865.60/17,847,785.25 = 7,052,821.44/x
  3. Step 3: Cross multiply
    12,932,865.60x = 17,847,785.25 × 7,052,821.44
  4. Step 4: Simplify right side
    12,932,865.60x = 125,877,242,467,715.77
  5. Step 5: Solve for x
    x = 125,877,242,467,715.77/12,932,865.60
  6. Step 6: Final answer
    x = 9,733,128.48

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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.