Home / 20,380,226.18-28,124,935.13-11,087,849.07

Finding the Fourth Proportional to 20,380,226.18, 28,124,935.13 and 11,087,849.07

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Solution

The fourth proportional to 20,380,226.18, 28,124,935.13 and 11,087,849.07 is: 15,301,353.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,380,226.18 : 28,124,935.13 = 11,087,849.07 : x
  2. Step 2: Convert to fraction form
    20,380,226.18/28,124,935.13 = 11,087,849.07/x
  3. Step 3: Cross multiply
    20,380,226.18x = 28,124,935.13 × 11,087,849.07
  4. Step 4: Simplify right side
    20,380,226.18x = 311,845,035,769,541.56
  5. Step 5: Solve for x
    x = 311,845,035,769,541.56/20,380,226.18
  6. Step 6: Final answer
    x = 15,301,353.04

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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.