Home / 38,562,105.94-53,216,685.32-21,158,446.55

Finding the Fourth Proportional to 38,562,105.94, 53,216,685.32 and 21,158,446.55

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Solution

The fourth proportional to 38,562,105.94, 53,216,685.32 and 21,158,446.55 is: 29,199,193.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,562,105.94 : 53,216,685.32 = 21,158,446.55 : x
  2. Step 2: Convert to fraction form
    38,562,105.94/53,216,685.32 = 21,158,446.55/x
  3. Step 3: Cross multiply
    38,562,105.94x = 53,216,685.32 × 21,158,446.55
  4. Step 4: Simplify right side
    38,562,105.94x = 1,125,982,391,539,514
  5. Step 5: Solve for x
    x = 1,125,982,391,539,514/38,562,105.94
  6. Step 6: Final answer
    x = 29,199,193.46

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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.