Home / 40,078,637.19-55,308,288.38-21,743,529.03

Finding the Fourth Proportional to 40,078,637.19, 55,308,288.38 and 21,743,529.03

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Solution

The fourth proportional to 40,078,637.19, 55,308,288.38 and 21,743,529.03 is: 30,005,944.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,078,637.19 : 55,308,288.38 = 21,743,529.03 : x
  2. Step 2: Convert to fraction form
    40,078,637.19/55,308,288.38 = 21,743,529.03/x
  3. Step 3: Cross multiply
    40,078,637.19x = 55,308,288.38 × 21,743,529.03
  4. Step 4: Simplify right side
    40,078,637.19x = 1,202,597,373,881,424
  5. Step 5: Solve for x
    x = 1,202,597,373,881,424/40,078,637.19
  6. Step 6: Final answer
    x = 30,005,944.77

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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.