Home / 21,677,207.80-32,505,314.10-12,082,401.40

Finding the Fourth Proportional to 21,677,207.80, 32,505,314.10 and 12,082,401.40

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Solution

The fourth proportional to 21,677,207.80, 32,505,314.10 and 12,082,401.40 is: 18,117,750.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,677,207.80 : 32,505,314.10 = 12,082,401.40 : x
  2. Step 2: Convert to fraction form
    21,677,207.80/32,505,314.10 = 12,082,401.40/x
  3. Step 3: Cross multiply
    21,677,207.80x = 32,505,314.10 × 12,082,401.40
  4. Step 4: Simplify right side
    21,677,207.80x = 392,742,252,589,279.75
  5. Step 5: Solve for x
    x = 392,742,252,589,279.75/21,677,207.80
  6. Step 6: Final answer
    x = 18,117,750.97

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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.