Home / 21,273,670.30-31,910,764.65-6,896,623.90

Finding the Fourth Proportional to 21,273,670.30, 31,910,764.65 and 6,896,623.90

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Solution

The fourth proportional to 21,273,670.30, 31,910,764.65 and 6,896,623.90 is: 10,345,019.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,273,670.30 : 31,910,764.65 = 6,896,623.90 : x
  2. Step 2: Convert to fraction form
    21,273,670.30/31,910,764.65 = 6,896,623.90/x
  3. Step 3: Cross multiply
    21,273,670.30x = 31,910,764.65 × 6,896,623.90
  4. Step 4: Simplify right side
    21,273,670.30x = 220,076,542,152,465.12
  5. Step 5: Solve for x
    x = 220,076,542,152,465.12/21,273,670.30
  6. Step 6: Final answer
    x = 10,345,019.88

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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.