Home / 31,131,957.20-46,697,935.80-19,822,542.80

Finding the Fourth Proportional to 31,131,957.20, 46,697,935.80 and 19,822,542.80

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Solution

The fourth proportional to 31,131,957.20, 46,697,935.80 and 19,822,542.80 is: 29,733,814.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,131,957.20 : 46,697,935.80 = 19,822,542.80 : x
  2. Step 2: Convert to fraction form
    31,131,957.20/46,697,935.80 = 19,822,542.80/x
  3. Step 3: Cross multiply
    31,131,957.20x = 46,697,935.80 × 19,822,542.80
  4. Step 4: Simplify right side
    31,131,957.20x = 925,671,831,067,152.25
  5. Step 5: Solve for x
    x = 925,671,831,067,152.25/31,131,957.20
  6. Step 6: Final answer
    x = 29,733,814.20

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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.