Home / 31,972,753.04-47,938,509.71-12,543,942.60

Finding the Fourth Proportional to 31,972,753.04, 47,938,509.71 and 12,543,942.60

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Solution

The fourth proportional to 31,972,753.04, 47,938,509.71 and 12,543,942.60 is: 18,807,824.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,972,753.04 : 47,938,509.71 = 12,543,942.60 : x
  2. Step 2: Convert to fraction form
    31,972,753.04/47,938,509.71 = 12,543,942.60/x
  3. Step 3: Cross multiply
    31,972,753.04x = 47,938,509.71 × 12,543,942.60
  4. Step 4: Simplify right side
    31,972,753.04x = 601,337,914,131,782.62
  5. Step 5: Solve for x
    x = 601,337,914,131,782.62/31,972,753.04
  6. Step 6: Final answer
    x = 18,807,824.07

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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.