Home / 20,160,703.90-30,241,055.85-18,082,179.10

Finding the Fourth Proportional to 20,160,703.90, 30,241,055.85 and 18,082,179.10

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Solution

The fourth proportional to 20,160,703.90, 30,241,055.85 and 18,082,179.10 is: 27,123,268.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,160,703.90 : 30,241,055.85 = 18,082,179.10 : x
  2. Step 2: Convert to fraction form
    20,160,703.90/30,241,055.85 = 18,082,179.10/x
  3. Step 3: Cross multiply
    20,160,703.90x = 30,241,055.85 × 18,082,179.10
  4. Step 4: Simplify right side
    20,160,703.90x = 546,824,188,052,802.81
  5. Step 5: Solve for x
    x = 546,824,188,052,802.81/20,160,703.90
  6. Step 6: Final answer
    x = 27,123,268.65

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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.