Home / 11,705,422.20-17,555,508.90-7,690,090.20

Finding the Fourth Proportional to 11,705,422.20, 17,555,508.90 and 7,690,090.20

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Solution

The fourth proportional to 11,705,422.20, 17,555,508.90 and 7,690,090.20 is: 11,533,411.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,705,422.20 : 17,555,508.90 = 7,690,090.20 : x
  2. Step 2: Convert to fraction form
    11,705,422.20/17,555,508.90 = 7,690,090.20/x
  3. Step 3: Cross multiply
    11,705,422.20x = 17,555,508.90 × 7,690,090.20
  4. Step 4: Simplify right side
    11,705,422.20x = 135,003,446,947,902.77
  5. Step 5: Solve for x
    x = 135,003,446,947,902.77/11,705,422.20
  6. Step 6: Final answer
    x = 11,533,411.15

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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.