Home / 28,471,622.51-42,775,565.94-18,256,496.04

Finding the Fourth Proportional to 28,471,622.51, 42,775,565.94 and 18,256,496.04

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Solution

The fourth proportional to 28,471,622.51, 42,775,565.94 and 18,256,496.04 is: 27,428,431.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,471,622.51 : 42,775,565.94 = 18,256,496.04 : x
  2. Step 2: Convert to fraction form
    28,471,622.51/42,775,565.94 = 18,256,496.04/x
  3. Step 3: Cross multiply
    28,471,622.51x = 42,775,565.94 × 18,256,496.04
  4. Step 4: Simplify right side
    28,471,622.51x = 780,931,950,192,368.75
  5. Step 5: Solve for x
    x = 780,931,950,192,368.75/28,471,622.51
  6. Step 6: Final answer
    x = 27,428,431.58

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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.