Home / 29,115,810.45-43,679,915.82-8,645,588.87

Finding the Fourth Proportional to 29,115,810.45, 43,679,915.82 and 8,645,588.87

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Solution

The fourth proportional to 29,115,810.45, 43,679,915.82 and 8,645,588.87 is: 12,970,224.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,115,810.45 : 43,679,915.82 = 8,645,588.87 : x
  2. Step 2: Convert to fraction form
    29,115,810.45/43,679,915.82 = 8,645,588.87/x
  3. Step 3: Cross multiply
    29,115,810.45x = 43,679,915.82 × 8,645,588.87
  4. Step 4: Simplify right side
    29,115,810.45x = 377,638,593,837,529.38
  5. Step 5: Solve for x
    x = 377,638,593,837,529.38/29,115,810.45
  6. Step 6: Final answer
    x = 12,970,224.36

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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.