Home / 20,159,429.76-27,597,443.40-20,015,349.12

Finding the Fourth Proportional to 20,159,429.76, 27,597,443.40 and 20,015,349.12

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Solution

The fourth proportional to 20,159,429.76, 27,597,443.40 and 20,015,349.12 is: 27,400,202.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,159,429.76 : 27,597,443.40 = 20,015,349.12 : x
  2. Step 2: Convert to fraction form
    20,159,429.76/27,597,443.40 = 20,015,349.12/x
  3. Step 3: Cross multiply
    20,159,429.76x = 27,597,443.40 × 20,015,349.12
  4. Step 4: Simplify right side
    20,159,429.76x = 552,372,464,470,439.81
  5. Step 5: Solve for x
    x = 552,372,464,470,439.81/20,159,429.76
  6. Step 6: Final answer
    x = 27,400,202.84

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.