Home / 20,896,323.52-28,835,345.28-11,727,194.88

Finding the Fourth Proportional to 20,896,323.52, 28,835,345.28 and 11,727,194.88

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Solution

The fourth proportional to 20,896,323.52, 28,835,345.28 and 11,727,194.88 is: 16,182,641.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,896,323.52 : 28,835,345.28 = 11,727,194.88 : x
  2. Step 2: Convert to fraction form
    20,896,323.52/28,835,345.28 = 11,727,194.88/x
  3. Step 3: Cross multiply
    20,896,323.52x = 28,835,345.28 × 11,727,194.88
  4. Step 4: Simplify right side
    20,896,323.52x = 338,157,713,530,648.19
  5. Step 5: Solve for x
    x = 338,157,713,530,648.19/20,896,323.52
  6. Step 6: Final answer
    x = 16,182,641.56

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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.