Home / 15,614,550.80-21,545,509.16-9,809,221.32

Finding the Fourth Proportional to 15,614,550.80, 21,545,509.16 and 9,809,221.32

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Solution

The fourth proportional to 15,614,550.80, 21,545,509.16 and 9,809,221.32 is: 13,535,110.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,614,550.80 : 21,545,509.16 = 9,809,221.32 : x
  2. Step 2: Convert to fraction form
    15,614,550.80/21,545,509.16 = 9,809,221.32/x
  3. Step 3: Cross multiply
    15,614,550.80x = 21,545,509.16 × 9,809,221.32
  4. Step 4: Simplify right side
    15,614,550.80x = 211,344,667,802,527.31
  5. Step 5: Solve for x
    x = 211,344,667,802,527.31/15,614,550.80
  6. Step 6: Final answer
    x = 13,535,110.33

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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.