Home / 31,208,121.60-46,749,196.80-17,729,203.20

Finding the Fourth Proportional to 31,208,121.60, 46,749,196.80 and 17,729,203.20

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Solution

The fourth proportional to 31,208,121.60, 46,749,196.80 and 17,729,203.20 is: 26,558,022.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,208,121.60 : 46,749,196.80 = 17,729,203.20 : x
  2. Step 2: Convert to fraction form
    31,208,121.60/46,749,196.80 = 17,729,203.20/x
  3. Step 3: Cross multiply
    31,208,121.60x = 46,749,196.80 × 17,729,203.20
  4. Step 4: Simplify right side
    31,208,121.60x = 828,826,009,503,989.62
  5. Step 5: Solve for x
    x = 828,826,009,503,989.62/31,208,121.60
  6. Step 6: Final answer
    x = 26,558,022.94

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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.