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Finding the Fourth Proportional to 6,551,208.15, 9,826,812.23 and 6,551,208.15

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Solution

The fourth proportional to 6,551,208.15, 9,826,812.23 and 6,551,208.15 is: 9,826,812.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,551,208.15 : 9,826,812.23 = 6,551,208.15 : x
  2. Step 2: Convert to fraction form
    6,551,208.15/9,826,812.23 = 6,551,208.15/x
  3. Step 3: Cross multiply
    6,551,208.15x = 9,826,812.23 × 6,551,208.15
  4. Step 4: Simplify right side
    6,551,208.15x = 64,377,492,369,695.68
  5. Step 5: Solve for x
    x = 64,377,492,369,695.68/6,551,208.15
  6. Step 6: Final answer
    x = 9,826,812.23

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Double scale
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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.