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Finding the Fourth Proportional to 8,867,910.16, 12,241,024.32 and 6,903,896.68

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Solution

The fourth proportional to 8,867,910.16, 12,241,024.32 and 6,903,896.68 is: 9,529,953.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,867,910.16 : 12,241,024.32 = 6,903,896.68 : x
  2. Step 2: Convert to fraction form
    8,867,910.16/12,241,024.32 = 6,903,896.68/x
  3. Step 3: Cross multiply
    8,867,910.16x = 12,241,024.32 × 6,903,896.68
  4. Step 4: Simplify right side
    8,867,910.16x = 84,510,767,162,647.25
  5. Step 5: Solve for x
    x = 84,510,767,162,647.25/8,867,910.16
  6. Step 6: Final answer
    x = 9,529,953.01

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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.