Home / 30,015,789.25-45,012,654.78-10,314,328.61

Finding the Fourth Proportional to 30,015,789.25, 45,012,654.78 and 10,314,328.61

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Solution

The fourth proportional to 30,015,789.25, 45,012,654.78 and 10,314,328.61 is: 15,467,702.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,015,789.25 : 45,012,654.78 = 10,314,328.61 : x
  2. Step 2: Convert to fraction form
    30,015,789.25/45,012,654.78 = 10,314,328.61/x
  3. Step 3: Cross multiply
    30,015,789.25x = 45,012,654.78 × 10,314,328.61
  4. Step 4: Simplify right side
    30,015,789.25x = 464,275,312,957,835.56
  5. Step 5: Solve for x
    x = 464,275,312,957,835.56/30,015,789.25
  6. Step 6: Final answer
    x = 15,467,702.98

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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.