Home / 18,398,861.35-25,390,464.75-11,056,807.11

Finding the Fourth Proportional to 18,398,861.35, 25,390,464.75 and 11,056,807.11

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Solution

The fourth proportional to 18,398,861.35, 25,390,464.75 and 11,056,807.11 is: 15,258,415.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,398,861.35 : 25,390,464.75 = 11,056,807.11 : x
  2. Step 2: Convert to fraction form
    18,398,861.35/25,390,464.75 = 11,056,807.11/x
  3. Step 3: Cross multiply
    18,398,861.35x = 25,390,464.75 × 11,056,807.11
  4. Step 4: Simplify right side
    18,398,861.35x = 280,737,471,157,489
  5. Step 5: Solve for x
    x = 280,737,471,157,489/18,398,861.35
  6. Step 6: Final answer
    x = 15,258,415.49

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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.