Home / 12,021,261.24-18,037,728.66-5,288,804.28

Finding the Fourth Proportional to 12,021,261.24, 18,037,728.66 and 5,288,804.28

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Solution

The fourth proportional to 12,021,261.24, 18,037,728.66 and 5,288,804.28 is: 7,935,774.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,021,261.24 : 18,037,728.66 = 5,288,804.28 : x
  2. Step 2: Convert to fraction form
    12,021,261.24/18,037,728.66 = 5,288,804.28/x
  3. Step 3: Cross multiply
    12,021,261.24x = 18,037,728.66 × 5,288,804.28
  4. Step 4: Simplify right side
    12,021,261.24x = 95,398,016,538,486.67
  5. Step 5: Solve for x
    x = 95,398,016,538,486.67/12,021,261.24
  6. Step 6: Final answer
    x = 7,935,774.34

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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.