Home / 12,981,605.04-19,471,866.15-3,396,771.36

Finding the Fourth Proportional to 12,981,605.04, 19,471,866.15 and 3,396,771.36

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Solution

The fourth proportional to 12,981,605.04, 19,471,866.15 and 3,396,771.36 is: 5,095,015.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,981,605.04 : 19,471,866.15 = 3,396,771.36 : x
  2. Step 2: Convert to fraction form
    12,981,605.04/19,471,866.15 = 3,396,771.36/x
  3. Step 3: Cross multiply
    12,981,605.04x = 19,471,866.15 × 3,396,771.36
  4. Step 4: Simplify right side
    12,981,605.04x = 66,141,477,276,811.35
  5. Step 5: Solve for x
    x = 66,141,477,276,811.35/12,981,605.04
  6. Step 6: Final answer
    x = 5,095,015.38

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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.