Home / 31,504,970.20-47,257,455.30-11,307,587.80

Finding the Fourth Proportional to 31,504,970.20, 47,257,455.30 and 11,307,587.80

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Solution

The fourth proportional to 31,504,970.20, 47,257,455.30 and 11,307,587.80 is: 16,961,381.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,504,970.20 : 47,257,455.30 = 11,307,587.80 : x
  2. Step 2: Convert to fraction form
    31,504,970.20/47,257,455.30 = 11,307,587.80/x
  3. Step 3: Cross multiply
    31,504,970.20x = 47,257,455.30 × 11,307,587.80
  4. Step 4: Simplify right side
    31,504,970.20x = 534,367,825,009,325.31
  5. Step 5: Solve for x
    x = 534,367,825,009,325.31/31,504,970.20
  6. Step 6: Final answer
    x = 16,961,381.70

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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.