Home / 30,235,743.82-45,326,759.10-11,787,436.54

Finding the Fourth Proportional to 30,235,743.82, 45,326,759.10 and 11,787,436.54

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Solution

The fourth proportional to 30,235,743.82, 45,326,759.10 and 11,787,436.54 is: 17,670,684.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,235,743.82 : 45,326,759.10 = 11,787,436.54 : x
  2. Step 2: Convert to fraction form
    30,235,743.82/45,326,759.10 = 11,787,436.54/x
  3. Step 3: Cross multiply
    30,235,743.82x = 45,326,759.10 × 11,787,436.54
  4. Step 4: Simplify right side
    30,235,743.82x = 534,286,296,455,117.50
  5. Step 5: Solve for x
    x = 534,286,296,455,117.50/30,235,743.82
  6. Step 6: Final answer
    x = 17,670,684.72

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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.