Home / 9,206,928.16-12,706,317.12-5,077,766.86

Finding the Fourth Proportional to 9,206,928.16, 12,706,317.12 and 5,077,766.86

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Solution

The fourth proportional to 9,206,928.16, 12,706,317.12 and 5,077,766.86 is: 7,007,735.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,206,928.16 : 12,706,317.12 = 5,077,766.86 : x
  2. Step 2: Convert to fraction form
    9,206,928.16/12,706,317.12 = 5,077,766.86/x
  3. Step 3: Cross multiply
    9,206,928.16x = 12,706,317.12 × 5,077,766.86
  4. Step 4: Simplify right side
    9,206,928.16x = 64,519,715,984,586.64
  5. Step 5: Solve for x
    x = 64,519,715,984,586.64/9,206,928.16
  6. Step 6: Final answer
    x = 7,007,735.36

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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.