Home / 7,910,178.48-11,866,370.64-2,445,719.43

Finding the Fourth Proportional to 7,910,178.48, 11,866,370.64 and 2,445,719.43

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Solution

The fourth proportional to 7,910,178.48, 11,866,370.64 and 2,445,719.43 is: 3,668,920.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,910,178.48 : 11,866,370.64 = 2,445,719.43 : x
  2. Step 2: Convert to fraction form
    7,910,178.48/11,866,370.64 = 2,445,719.43/x
  3. Step 3: Cross multiply
    7,910,178.48x = 11,866,370.64 × 2,445,719.43
  4. Step 4: Simplify right side
    7,910,178.48x = 29,021,813,237,829.54
  5. Step 5: Solve for x
    x = 29,021,813,237,829.54/7,910,178.48
  6. Step 6: Final answer
    x = 3,668,920.15

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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.