Home / 31,310,999.80-46,966,499.70-19,831,874.20

Finding the Fourth Proportional to 31,310,999.80, 46,966,499.70 and 19,831,874.20

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Solution

The fourth proportional to 31,310,999.80, 46,966,499.70 and 19,831,874.20 is: 29,747,811.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,310,999.80 : 46,966,499.70 = 19,831,874.20 : x
  2. Step 2: Convert to fraction form
    31,310,999.80/46,966,499.70 = 19,831,874.20/x
  3. Step 3: Cross multiply
    31,310,999.80x = 46,966,499.70 × 19,831,874.20
  4. Step 4: Simplify right side
    31,310,999.80x = 931,433,713,664,737.75
  5. Step 5: Solve for x
    x = 931,433,713,664,737.75/31,310,999.80
  6. Step 6: Final answer
    x = 29,747,811.30

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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.