Home / 8,498,465.21-12,738,474.14-5,579,333.12

Finding the Fourth Proportional to 8,498,465.21, 12,738,474.14 and 5,579,333.12

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Solution

The fourth proportional to 8,498,465.21, 12,738,474.14 and 5,579,333.12 is: 8,362,944.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,498,465.21 : 12,738,474.14 = 5,579,333.12 : x
  2. Step 2: Convert to fraction form
    8,498,465.21/12,738,474.14 = 5,579,333.12/x
  3. Step 3: Cross multiply
    8,498,465.21x = 12,738,474.14 × 5,579,333.12
  4. Step 4: Simplify right side
    8,498,465.21x = 71,072,190,575,976.48
  5. Step 5: Solve for x
    x = 71,072,190,575,976.48/8,498,465.21
  6. Step 6: Final answer
    x = 8,362,944.23

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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.