Home / 31,707,067.80-47,560,601.70-7,772,539.80

Finding the Fourth Proportional to 31,707,067.80, 47,560,601.70 and 7,772,539.80

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Solution

The fourth proportional to 31,707,067.80, 47,560,601.70 and 7,772,539.80 is: 11,658,809.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,707,067.80 : 47,560,601.70 = 7,772,539.80 : x
  2. Step 2: Convert to fraction form
    31,707,067.80/47,560,601.70 = 7,772,539.80/x
  3. Step 3: Cross multiply
    31,707,067.80x = 47,560,601.70 × 7,772,539.80
  4. Step 4: Simplify right side
    31,707,067.80x = 369,666,669,625,197.69
  5. Step 5: Solve for x
    x = 369,666,669,625,197.69/31,707,067.80
  6. Step 6: Final answer
    x = 11,658,809.70

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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.