Home / 8,638,910.55-11,921,625.68-4,718,669.16

Finding the Fourth Proportional to 8,638,910.55, 11,921,625.68 and 4,718,669.16

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Solution

The fourth proportional to 8,638,910.55, 11,921,625.68 and 4,718,669.16 is: 6,511,724.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,638,910.55 : 11,921,625.68 = 4,718,669.16 : x
  2. Step 2: Convert to fraction form
    8,638,910.55/11,921,625.68 = 4,718,669.16/x
  3. Step 3: Cross multiply
    8,638,910.55x = 11,921,625.68 × 4,718,669.16
  4. Step 4: Simplify right side
    8,638,910.55x = 56,254,207,409,686.69
  5. Step 5: Solve for x
    x = 56,254,207,409,686.69/8,638,910.55
  6. Step 6: Final answer
    x = 6,511,724.72

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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.