Home / 13,578,997.92-20,378,225.52-4,943,080.32

Finding the Fourth Proportional to 13,578,997.92, 20,378,225.52 and 4,943,080.32

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Solution

The fourth proportional to 13,578,997.92, 20,378,225.52 and 4,943,080.32 is: 7,418,161.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,578,997.92 : 20,378,225.52 = 4,943,080.32 : x
  2. Step 2: Convert to fraction form
    13,578,997.92/20,378,225.52 = 4,943,080.32/x
  3. Step 3: Cross multiply
    13,578,997.92x = 20,378,225.52 × 4,943,080.32
  4. Step 4: Simplify right side
    13,578,997.92x = 100,731,205,524,433.77
  5. Step 5: Solve for x
    x = 100,731,205,524,433.77/13,578,997.92
  6. Step 6: Final answer
    x = 7,418,161.94

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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.