Home / 20,896,166.97-28,835,128.44-11,727,038.25

Finding the Fourth Proportional to 20,896,166.97, 28,835,128.44 and 11,727,038.25

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Solution

The fourth proportional to 20,896,166.97, 28,835,128.44 and 11,727,038.25 is: 16,182,424.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,896,166.97 : 28,835,128.44 = 11,727,038.25 : x
  2. Step 2: Convert to fraction form
    20,896,166.97/28,835,128.44 = 11,727,038.25/x
  3. Step 3: Cross multiply
    20,896,166.97x = 28,835,128.44 × 11,727,038.25
  4. Step 4: Simplify right side
    20,896,166.97x = 338,150,654,159,542.88
  5. Step 5: Solve for x
    x = 338,150,654,159,542.88/20,896,166.97
  6. Step 6: Final answer
    x = 16,182,424.97

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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.