Home / 38,765,121.48-53,496,226.44-21,362,089.50

Finding the Fourth Proportional to 38,765,121.48, 53,496,226.44 and 21,362,089.50

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Solution

The fourth proportional to 38,765,121.48, 53,496,226.44 and 21,362,089.50 is: 29,479,881.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,765,121.48 : 53,496,226.44 = 21,362,089.50 : x
  2. Step 2: Convert to fraction form
    38,765,121.48/53,496,226.44 = 21,362,089.50/x
  3. Step 3: Cross multiply
    38,765,121.48x = 53,496,226.44 × 21,362,089.50
  4. Step 4: Simplify right side
    38,765,121.48x = 1,142,791,177,123,546.25
  5. Step 5: Solve for x
    x = 1,142,791,177,123,546.25/38,765,121.48
  6. Step 6: Final answer
    x = 29,479,881.23

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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.