Home / 38,848,393.68-53,610,138-21,444,288.72

Finding the Fourth Proportional to 38,848,393.68, 53,610,138 and 21,444,288.72

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Solution

The fourth proportional to 38,848,393.68, 53,610,138 and 21,444,288.72 is: 29,592,762.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,848,393.68 : 53,610,138 = 21,444,288.72 : x
  2. Step 2: Convert to fraction form
    38,848,393.68/53,610,138 = 21,444,288.72/x
  3. Step 3: Cross multiply
    38,848,393.68x = 53,610,138 × 21,444,288.72
  4. Step 4: Simplify right side
    38,848,393.68x = 1,149,631,277,591,043.25
  5. Step 5: Solve for x
    x = 1,149,631,277,591,043.25/38,848,393.68
  6. Step 6: Final answer
    x = 29,592,762.24

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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.