Home / 14,261,229.90-19,680,942.81-8,066,155.44

Finding the Fourth Proportional to 14,261,229.90, 19,680,942.81 and 8,066,155.44

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Solution

The fourth proportional to 14,261,229.90, 19,680,942.81 and 8,066,155.44 is: 11,131,546.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,261,229.90 : 19,680,942.81 = 8,066,155.44 : x
  2. Step 2: Convert to fraction form
    14,261,229.90/19,680,942.81 = 8,066,155.44/x
  3. Step 3: Cross multiply
    14,261,229.90x = 19,680,942.81 × 8,066,155.44
  4. Step 4: Simplify right side
    14,261,229.90x = 158,749,543,911,210.38
  5. Step 5: Solve for x
    x = 158,749,543,911,210.38/14,261,229.90
  6. Step 6: Final answer
    x = 11,131,546.51

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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.