Home / 43,356,137.85-65,027,876.34-12,642,463.89

Finding the Fourth Proportional to 43,356,137.85, 65,027,876.34 and 12,642,463.89

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Solution

The fourth proportional to 43,356,137.85, 65,027,876.34 and 12,642,463.89 is: 18,961,849.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,356,137.85 : 65,027,876.34 = 12,642,463.89 : x
  2. Step 2: Convert to fraction form
    43,356,137.85/65,027,876.34 = 12,642,463.89/x
  3. Step 3: Cross multiply
    43,356,137.85x = 65,027,876.34 × 12,642,463.89
  4. Step 4: Simplify right side
    43,356,137.85x = 822,112,578,471,835.50
  5. Step 5: Solve for x
    x = 822,112,578,471,835.50/43,356,137.85
  6. Step 6: Final answer
    x = 18,961,849.91

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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.