Home / 31,853,340-47,780,184.96-7,918,812

Finding the Fourth Proportional to 31,853,340, 47,780,184.96 and 7,918,812

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Solution

The fourth proportional to 31,853,340, 47,780,184.96 and 7,918,812 is: 11,878,261.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,853,340 : 47,780,184.96 = 7,918,812 : x
  2. Step 2: Convert to fraction form
    31,853,340/47,780,184.96 = 7,918,812/x
  3. Step 3: Cross multiply
    31,853,340x = 47,780,184.96 × 7,918,812
  4. Step 4: Simplify right side
    31,853,340x = 378,362,302,023,467.50
  5. Step 5: Solve for x
    x = 378,362,302,023,467.50/31,853,340
  6. Step 6: Final answer
    x = 11,878,261.50

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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.