Home / 21,855,299.96-30,164,262.90-13,035,317.24

Finding the Fourth Proportional to 21,855,299.96, 30,164,262.90 and 13,035,317.24

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Solution

The fourth proportional to 21,855,299.96, 30,164,262.90 and 13,035,317.24 is: 17,991,093.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,855,299.96 : 30,164,262.90 = 13,035,317.24 : x
  2. Step 2: Convert to fraction form
    21,855,299.96/30,164,262.90 = 13,035,317.24/x
  3. Step 3: Cross multiply
    21,855,299.96x = 30,164,262.90 × 13,035,317.24
  4. Step 4: Simplify right side
    21,855,299.96x = 393,200,736,212,262.38
  5. Step 5: Solve for x
    x = 393,200,736,212,262.38/21,855,299.96
  6. Step 6: Final answer
    x = 17,991,093.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.