Home / 10,455,408.33-15,684,704.42-5,335,039.91

Finding the Fourth Proportional to 10,455,408.33, 15,684,704.42 and 5,335,039.91

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Solution

The fourth proportional to 10,455,408.33, 15,684,704.42 and 5,335,039.91 is: 8,003,372.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,455,408.33 : 15,684,704.42 = 5,335,039.91 : x
  2. Step 2: Convert to fraction form
    10,455,408.33/15,684,704.42 = 5,335,039.91/x
  3. Step 3: Cross multiply
    10,455,408.33x = 15,684,704.42 × 5,335,039.91
  4. Step 4: Simplify right side
    10,455,408.33x = 83,678,523,952,154.69
  5. Step 5: Solve for x
    x = 83,678,523,952,154.69/10,455,408.33
  6. Step 6: Final answer
    x = 8,003,372.16

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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.