Home / 9,206,912.16-12,706,295.04-5,077,750.86

Finding the Fourth Proportional to 9,206,912.16, 12,706,295.04 and 5,077,750.86

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Solution

The fourth proportional to 9,206,912.16, 12,706,295.04 and 5,077,750.86 is: 7,007,713.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,206,912.16 : 12,706,295.04 = 5,077,750.86 : x
  2. Step 2: Convert to fraction form
    9,206,912.16/12,706,295.04 = 5,077,750.86/x
  3. Step 3: Cross multiply
    9,206,912.16x = 12,706,295.04 × 5,077,750.86
  4. Step 4: Simplify right side
    9,206,912.16x = 64,519,400,566,773.73
  5. Step 5: Solve for x
    x = 64,519,400,566,773.73/9,206,912.16
  6. Step 6: Final answer
    x = 7,007,713.28

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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.