Home / 30,945,429.96-42,702,191.76-17,893,535.40

Finding the Fourth Proportional to 30,945,429.96, 42,702,191.76 and 17,893,535.40

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Solution

The fourth proportional to 30,945,429.96, 42,702,191.76 and 17,893,535.40 is: 24,691,632.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,945,429.96 : 42,702,191.76 = 17,893,535.40 : x
  2. Step 2: Convert to fraction form
    30,945,429.96/42,702,191.76 = 17,893,535.40/x
  3. Step 3: Cross multiply
    30,945,429.96x = 42,702,191.76 × 17,893,535.40
  4. Step 4: Simplify right side
    30,945,429.96x = 764,093,179,915,148.25
  5. Step 5: Solve for x
    x = 764,093,179,915,148.25/30,945,429.96
  6. Step 6: Final answer
    x = 24,691,632.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.