Home / 12,463,847.70-18,693,900.45-3,943,077.06

Finding the Fourth Proportional to 12,463,847.70, 18,693,900.45 and 3,943,077.06

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Solution

The fourth proportional to 12,463,847.70, 18,693,900.45 and 3,943,077.06 is: 5,914,023.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,463,847.70 : 18,693,900.45 = 3,943,077.06 : x
  2. Step 2: Convert to fraction form
    12,463,847.70/18,693,900.45 = 3,943,077.06/x
  3. Step 3: Cross multiply
    12,463,847.70x = 18,693,900.45 × 3,943,077.06
  4. Step 4: Simplify right side
    12,463,847.70x = 73,711,490,026,318.67
  5. Step 5: Solve for x
    x = 73,711,490,026,318.67/12,463,847.70
  6. Step 6: Final answer
    x = 5,914,023.65

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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.