Home / 13,578,230.54-20,341,716.10-8,022,187.78

Finding the Fourth Proportional to 13,578,230.54, 20,341,716.10 and 8,022,187.78

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Solution

The fourth proportional to 13,578,230.54, 20,341,716.10 and 8,022,187.78 is: 12,018,139.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,578,230.54 : 20,341,716.10 = 8,022,187.78 : x
  2. Step 2: Convert to fraction form
    13,578,230.54/20,341,716.10 = 8,022,187.78/x
  3. Step 3: Cross multiply
    13,578,230.54x = 20,341,716.10 × 8,022,187.78
  4. Step 4: Simplify right side
    13,578,230.54x = 163,185,066,321,649.28
  5. Step 5: Solve for x
    x = 163,185,066,321,649.28/13,578,230.54
  6. Step 6: Final answer
    x = 12,018,139.32

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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.