Home / 18,407,673.28-27,611,509.92-5,628,178.24

Finding the Fourth Proportional to 18,407,673.28, 27,611,509.92 and 5,628,178.24

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Solution

The fourth proportional to 18,407,673.28, 27,611,509.92 and 5,628,178.24 is: 8,442,267.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,407,673.28 : 27,611,509.92 = 5,628,178.24 : x
  2. Step 2: Convert to fraction form
    18,407,673.28/27,611,509.92 = 5,628,178.24/x
  3. Step 3: Cross multiply
    18,407,673.28x = 27,611,509.92 × 5,628,178.24
  4. Step 4: Simplify right side
    18,407,673.28x = 155,402,499,305,288.16
  5. Step 5: Solve for x
    x = 155,402,499,305,288.16/18,407,673.28
  6. Step 6: Final answer
    x = 8,442,267.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.