Home / 21,003,817.62-31,494,354.03-9,475,812.66

Finding the Fourth Proportional to 21,003,817.62, 31,494,354.03 and 9,475,812.66

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Solution

The fourth proportional to 21,003,817.62, 31,494,354.03 and 9,475,812.66 is: 14,208,588.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,003,817.62 : 31,494,354.03 = 9,475,812.66 : x
  2. Step 2: Convert to fraction form
    21,003,817.62/31,494,354.03 = 9,475,812.66/x
  3. Step 3: Cross multiply
    21,003,817.62x = 31,494,354.03 × 9,475,812.66
  4. Step 4: Simplify right side
    21,003,817.62x = 298,434,598,635,996.06
  5. Step 5: Solve for x
    x = 298,434,598,635,996.06/21,003,817.62
  6. Step 6: Final answer
    x = 14,208,588.36

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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.