Home / 28,471,626.81-42,775,572.41-18,256,500.35

Finding the Fourth Proportional to 28,471,626.81, 42,775,572.41 and 18,256,500.35

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Solution

The fourth proportional to 28,471,626.81, 42,775,572.41 and 18,256,500.35 is: 27,428,438.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,471,626.81 : 42,775,572.41 = 18,256,500.35 : x
  2. Step 2: Convert to fraction form
    28,471,626.81/42,775,572.41 = 18,256,500.35/x
  3. Step 3: Cross multiply
    28,471,626.81x = 42,775,572.41 × 18,256,500.35
  4. Step 4: Simplify right side
    28,471,626.81x = 780,932,252,369,455
  5. Step 5: Solve for x
    x = 780,932,252,369,455/28,471,626.81
  6. Step 6: Final answer
    x = 27,428,438.06

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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.