Home / 38,552,967.53-53,202,785.24-20,911,826.21

Finding the Fourth Proportional to 38,552,967.53, 53,202,785.24 and 20,911,826.21

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Solution

The fourth proportional to 38,552,967.53, 53,202,785.24 and 20,911,826.21 is: 28,858,152.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,552,967.53 : 53,202,785.24 = 20,911,826.21 : x
  2. Step 2: Convert to fraction form
    38,552,967.53/53,202,785.24 = 20,911,826.21/x
  3. Step 3: Cross multiply
    38,552,967.53x = 53,202,785.24 × 20,911,826.21
  4. Step 4: Simplify right side
    38,552,967.53x = 1,112,567,398,722,274
  5. Step 5: Solve for x
    x = 1,112,567,398,722,274/38,552,967.53
  6. Step 6: Final answer
    x = 28,858,152.04

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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.