Home / 38,667,333.91-53,361,932.13-21,027,268.16

Finding the Fourth Proportional to 38,667,333.91, 53,361,932.13 and 21,027,268.16

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Solution

The fourth proportional to 38,667,333.91, 53,361,932.13 and 21,027,268.16 is: 29,018,180.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,667,333.91 : 53,361,932.13 = 21,027,268.16 : x
  2. Step 2: Convert to fraction form
    38,667,333.91/53,361,932.13 = 21,027,268.16/x
  3. Step 3: Cross multiply
    38,667,333.91x = 53,361,932.13 × 21,027,268.16
  4. Step 4: Simplify right side
    38,667,333.91x = 1,122,055,656,666,688.50
  5. Step 5: Solve for x
    x = 1,122,055,656,666,688.50/38,667,333.91
  6. Step 6: Final answer
    x = 29,018,180.03

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1.5x scale

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.