Home / 47,413,644.80-71,120,467.20-13,334,990.70

Finding the Fourth Proportional to 47,413,644.80, 71,120,467.20 and 13,334,990.70

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Solution

The fourth proportional to 47,413,644.80, 71,120,467.20 and 13,334,990.70 is: 20,002,486.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,413,644.80 : 71,120,467.20 = 13,334,990.70 : x
  2. Step 2: Convert to fraction form
    47,413,644.80/71,120,467.20 = 13,334,990.70/x
  3. Step 3: Cross multiply
    47,413,644.80x = 71,120,467.20 × 13,334,990.70
  4. Step 4: Simplify right side
    47,413,644.80x = 948,390,768,691,655
  5. Step 5: Solve for x
    x = 948,390,768,691,655/47,413,644.80
  6. Step 6: Final answer
    x = 20,002,486.05

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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.