Home / 21,637,129.14-32,404,170.96-12,520,012.68

Finding the Fourth Proportional to 21,637,129.14, 32,404,170.96 and 12,520,012.68

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Solution

The fourth proportional to 21,637,129.14, 32,404,170.96 and 12,520,012.68 is: 18,750,206.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,637,129.14 : 32,404,170.96 = 12,520,012.68 : x
  2. Step 2: Convert to fraction form
    21,637,129.14/32,404,170.96 = 12,520,012.68/x
  3. Step 3: Cross multiply
    21,637,129.14x = 32,404,170.96 × 12,520,012.68
  4. Step 4: Simplify right side
    21,637,129.14x = 405,700,631,304,087.75
  5. Step 5: Solve for x
    x = 405,700,631,304,087.75/21,637,129.14
  6. Step 6: Final answer
    x = 18,750,206.12

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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.