Home / 30,889,723.70-46,334,585.55-18,135,139.70

Finding the Fourth Proportional to 30,889,723.70, 46,334,585.55 and 18,135,139.70

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Solution

The fourth proportional to 30,889,723.70, 46,334,585.55 and 18,135,139.70 is: 27,202,709.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,889,723.70 : 46,334,585.55 = 18,135,139.70 : x
  2. Step 2: Convert to fraction form
    30,889,723.70/46,334,585.55 = 18,135,139.70/x
  3. Step 3: Cross multiply
    30,889,723.70x = 46,334,585.55 × 18,135,139.70
  4. Step 4: Simplify right side
    30,889,723.70x = 840,284,181,890,851.25
  5. Step 5: Solve for x
    x = 840,284,181,890,851.25/30,889,723.70
  6. Step 6: Final answer
    x = 27,202,709.55

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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.