Home / 18,428,916.90-27,664,370.55-10,860,147.30

Finding the Fourth Proportional to 18,428,916.90, 27,664,370.55 and 10,860,147.30

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Solution

The fourth proportional to 18,428,916.90, 27,664,370.55 and 10,860,147.30 is: 16,302,593.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,428,916.90 : 27,664,370.55 = 10,860,147.30 : x
  2. Step 2: Convert to fraction form
    18,428,916.90/27,664,370.55 = 10,860,147.30/x
  3. Step 3: Cross multiply
    18,428,916.90x = 27,664,370.55 × 10,860,147.30
  4. Step 4: Simplify right side
    18,428,916.90x = 300,439,139,134,782.06
  5. Step 5: Solve for x
    x = 300,439,139,134,782.06/18,428,916.90
  6. Step 6: Final answer
    x = 16,302,593.41

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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.