Home / 11,360,450.43-15,678,766.89-6,399,055.08

Finding the Fourth Proportional to 11,360,450.43, 15,678,766.89 and 6,399,055.08

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Solution

The fourth proportional to 11,360,450.43, 15,678,766.89 and 6,399,055.08 is: 8,831,453.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,360,450.43 : 15,678,766.89 = 6,399,055.08 : x
  2. Step 2: Convert to fraction form
    11,360,450.43/15,678,766.89 = 6,399,055.08/x
  3. Step 3: Cross multiply
    11,360,450.43x = 15,678,766.89 × 6,399,055.08
  4. Step 4: Simplify right side
    11,360,450.43x = 100,329,292,915,590.31
  5. Step 5: Solve for x
    x = 100,329,292,915,590.31/11,360,450.43
  6. Step 6: Final answer
    x = 8,831,453.78

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1.5x scale

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.