Home / 20,380,226.55-28,124,935.64-11,087,849.45

Finding the Fourth Proportional to 20,380,226.55, 28,124,935.64 and 11,087,849.45

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Solution

The fourth proportional to 20,380,226.55, 28,124,935.64 and 11,087,849.45 is: 15,301,353.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,380,226.55 : 28,124,935.64 = 11,087,849.45 : x
  2. Step 2: Convert to fraction form
    20,380,226.55/28,124,935.64 = 11,087,849.45/x
  3. Step 3: Cross multiply
    20,380,226.55x = 28,124,935.64 × 11,087,849.45
  4. Step 4: Simplify right side
    20,380,226.55x = 311,845,052,054,354.31
  5. Step 5: Solve for x
    x = 311,845,052,054,354.31/20,380,226.55
  6. Step 6: Final answer
    x = 15,301,353.56

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.