Home / 15,572,219.52-21,486,544.92-8,695,643.52

Finding the Fourth Proportional to 15,572,219.52, 21,486,544.92 and 8,695,643.52

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Solution

The fourth proportional to 15,572,219.52, 21,486,544.92 and 8,695,643.52 is: 11,998,246.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,572,219.52 : 21,486,544.92 = 8,695,643.52 : x
  2. Step 2: Convert to fraction form
    15,572,219.52/21,486,544.92 = 8,695,643.52/x
  3. Step 3: Cross multiply
    15,572,219.52x = 21,486,544.92 × 8,695,643.52
  4. Step 4: Simplify right side
    15,572,219.52x = 186,839,335,100,786.94
  5. Step 5: Solve for x
    x = 186,839,335,100,786.94/15,572,219.52
  6. Step 6: Final answer
    x = 11,998,246.93

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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.