Home / 20,082,503.14-27,714,438.90-11,380,386.40

Finding the Fourth Proportional to 20,082,503.14, 27,714,438.90 and 11,380,386.40

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Solution

The fourth proportional to 20,082,503.14, 27,714,438.90 and 11,380,386.40 is: 15,705,264.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,082,503.14 : 27,714,438.90 = 11,380,386.40 : x
  2. Step 2: Convert to fraction form
    20,082,503.14/27,714,438.90 = 11,380,386.40/x
  3. Step 3: Cross multiply
    20,082,503.14x = 27,714,438.90 × 11,380,386.40
  4. Step 4: Simplify right side
    20,082,503.14x = 315,401,023,471,904.88
  5. Step 5: Solve for x
    x = 315,401,023,471,904.88/20,082,503.14
  6. Step 6: Final answer
    x = 15,705,264.49

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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.