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Finding the Fourth Proportional to 9,328,294.64, 13,960,813.08 and 5,736,318.32

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Solution

The fourth proportional to 9,328,294.64, 13,960,813.08 and 5,736,318.32 is: 8,585,027.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,328,294.64 : 13,960,813.08 = 5,736,318.32 : x
  2. Step 2: Convert to fraction form
    9,328,294.64/13,960,813.08 = 5,736,318.32/x
  3. Step 3: Cross multiply
    9,328,294.64x = 13,960,813.08 × 5,736,318.32
  4. Step 4: Simplify right side
    9,328,294.64x = 80,083,667,832,899.62
  5. Step 5: Solve for x
    x = 80,083,667,832,899.62/9,328,294.64
  6. Step 6: Final answer
    x = 8,585,027.70

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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.