Home / 20,654,253.34-28,502,712.31-11,361,623.82

Finding the Fourth Proportional to 20,654,253.34, 28,502,712.31 and 11,361,623.82

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Solution

The fourth proportional to 20,654,253.34, 28,502,712.31 and 11,361,623.82 is: 15,678,954.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,654,253.34 : 28,502,712.31 = 11,361,623.82 : x
  2. Step 2: Convert to fraction form
    20,654,253.34/28,502,712.31 = 11,361,623.82/x
  3. Step 3: Cross multiply
    20,654,253.34x = 28,502,712.31 × 11,361,623.82
  4. Step 4: Simplify right side
    20,654,253.34x = 323,837,095,115,903.19
  5. Step 5: Solve for x
    x = 323,837,095,115,903.19/20,654,253.34
  6. Step 6: Final answer
    x = 15,678,954.34

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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.