Home / 12,955,310.92-19,419,961.02-4,429,816.84

Finding the Fourth Proportional to 12,955,310.92, 19,419,961.02 and 4,429,816.84

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Solution

The fourth proportional to 12,955,310.92, 19,419,961.02 and 4,429,816.84 is: 6,640,278.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,955,310.92 : 19,419,961.02 = 4,429,816.84 : x
  2. Step 2: Convert to fraction form
    12,955,310.92/19,419,961.02 = 4,429,816.84/x
  3. Step 3: Cross multiply
    12,955,310.92x = 19,419,961.02 × 4,429,816.84
  4. Step 4: Simplify right side
    12,955,310.92x = 86,026,870,358,539.58
  5. Step 5: Solve for x
    x = 86,026,870,358,539.58/12,955,310.92
  6. Step 6: Final answer
    x = 6,640,278.33

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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.