Home / 21,273,669.30-31,910,763.15-6,896,622.90

Finding the Fourth Proportional to 21,273,669.30, 31,910,763.15 and 6,896,622.90

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Solution

The fourth proportional to 21,273,669.30, 31,910,763.15 and 6,896,622.90 is: 10,345,018.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,273,669.30 : 31,910,763.15 = 6,896,622.90 : x
  2. Step 2: Convert to fraction form
    21,273,669.30/31,910,763.15 = 6,896,622.90/x
  3. Step 3: Cross multiply
    21,273,669.30x = 31,910,763.15 × 6,896,622.90
  4. Step 4: Simplify right side
    21,273,669.30x = 220,076,499,896,766.12
  5. Step 5: Solve for x
    x = 220,076,499,896,766.12/21,273,669.30
  6. Step 6: Final answer
    x = 10,345,018.38

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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.