Home / 12,279,543.30-16,945,840.71-6,773,114.70

Finding the Fourth Proportional to 12,279,543.30, 16,945,840.71 and 6,773,114.70

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Solution

The fourth proportional to 12,279,543.30, 16,945,840.71 and 6,773,114.70 is: 9,346,937.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,279,543.30 : 16,945,840.71 = 6,773,114.70 : x
  2. Step 2: Convert to fraction form
    12,279,543.30/16,945,840.71 = 6,773,114.70/x
  3. Step 3: Cross multiply
    12,279,543.30x = 16,945,840.71 × 6,773,114.70
  4. Step 4: Simplify right side
    12,279,543.30x = 114,776,122,816,759.45
  5. Step 5: Solve for x
    x = 114,776,122,816,759.45/12,279,543.30
  6. Step 6: Final answer
    x = 9,346,937.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.