Home / 21,186,312.20-31,789,241.94-9,675,308.24

Finding the Fourth Proportional to 21,186,312.20, 31,789,241.94 and 9,675,308.24

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Solution

The fourth proportional to 21,186,312.20, 31,789,241.94 and 9,675,308.24 is: 14,517,425.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,186,312.20 : 31,789,241.94 = 9,675,308.24 : x
  2. Step 2: Convert to fraction form
    21,186,312.20/31,789,241.94 = 9,675,308.24/x
  3. Step 3: Cross multiply
    21,186,312.20x = 31,789,241.94 × 9,675,308.24
  4. Step 4: Simplify right side
    21,186,312.20x = 307,570,714,485,435.62
  5. Step 5: Solve for x
    x = 307,570,714,485,435.62/21,186,312.20
  6. Step 6: Final answer
    x = 14,517,425.76

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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.