Home / 31,023,043.20-46,534,564.80-8,303,940.45

Finding the Fourth Proportional to 31,023,043.20, 46,534,564.80 and 8,303,940.45

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Solution

The fourth proportional to 31,023,043.20, 46,534,564.80 and 8,303,940.45 is: 12,455,910.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,023,043.20 : 46,534,564.80 = 8,303,940.45 : x
  2. Step 2: Convert to fraction form
    31,023,043.20/46,534,564.80 = 8,303,940.45/x
  3. Step 3: Cross multiply
    31,023,043.20x = 46,534,564.80 × 8,303,940.45
  4. Step 4: Simplify right side
    31,023,043.20x = 386,420,254,965,866.12
  5. Step 5: Solve for x
    x = 386,420,254,965,866.12/31,023,043.20
  6. Step 6: Final answer
    x = 12,455,910.68

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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.