Home / 28,471,618.01-42,775,559.19-18,256,491.54

Finding the Fourth Proportional to 28,471,618.01, 42,775,559.19 and 18,256,491.54

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Solution

The fourth proportional to 28,471,618.01, 42,775,559.19 and 18,256,491.54 is: 27,428,424.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,471,618.01 : 42,775,559.19 = 18,256,491.54 : x
  2. Step 2: Convert to fraction form
    28,471,618.01/42,775,559.19 = 18,256,491.54/x
  3. Step 3: Cross multiply
    28,471,618.01x = 42,775,559.19 × 18,256,491.54
  4. Step 4: Simplify right side
    28,471,618.01x = 780,931,634,471,004.12
  5. Step 5: Solve for x
    x = 780,931,634,471,004.12/28,471,618.01
  6. Step 6: Final answer
    x = 27,428,424.83

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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.