Home / 13,578,229.54-20,341,714.60-8,022,186.77

Finding the Fourth Proportional to 13,578,229.54, 20,341,714.60 and 8,022,186.77

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Solution

The fourth proportional to 13,578,229.54, 20,341,714.60 and 8,022,186.77 is: 12,018,137.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,578,229.54 : 20,341,714.60 = 8,022,186.77 : x
  2. Step 2: Convert to fraction form
    13,578,229.54/20,341,714.60 = 8,022,186.77/x
  3. Step 3: Cross multiply
    13,578,229.54x = 20,341,714.60 × 8,022,186.77
  4. Step 4: Simplify right side
    13,578,229.54x = 163,185,033,743,235.84
  5. Step 5: Solve for x
    x = 163,185,033,743,235.84/13,578,229.54
  6. Step 6: Final answer
    x = 12,018,137.80

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1.5x scale

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.