Home / 8,638,534.92-12,959,377.02-4,322,841.96

Finding the Fourth Proportional to 8,638,534.92, 12,959,377.02 and 4,322,841.96

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Solution

The fourth proportional to 8,638,534.92, 12,959,377.02 and 4,322,841.96 is: 6,485,050.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,638,534.92 : 12,959,377.02 = 4,322,841.96 : x
  2. Step 2: Convert to fraction form
    8,638,534.92/12,959,377.02 = 4,322,841.96/x
  3. Step 3: Cross multiply
    8,638,534.92x = 12,959,377.02 × 4,322,841.96
  4. Step 4: Simplify right side
    8,638,534.92x = 56,021,338,757,515.76
  5. Step 5: Solve for x
    x = 56,021,338,757,515.76/8,638,534.92
  6. Step 6: Final answer
    x = 6,485,050.91

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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.