Home / 8,958,944.46-12,362,987.16-5,289,043.20

Finding the Fourth Proportional to 8,958,944.46, 12,362,987.16 and 5,289,043.20

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Solution

The fourth proportional to 8,958,944.46, 12,362,987.16 and 5,289,043.20 is: 7,298,669.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,958,944.46 : 12,362,987.16 = 5,289,043.20 : x
  2. Step 2: Convert to fraction form
    8,958,944.46/12,362,987.16 = 5,289,043.20/x
  3. Step 3: Cross multiply
    8,958,944.46x = 12,362,987.16 × 5,289,043.20
  4. Step 4: Simplify right side
    8,958,944.46x = 65,388,373,170,285.31
  5. Step 5: Solve for x
    x = 65,388,373,170,285.31/8,958,944.46
  6. Step 6: Final answer
    x = 7,298,669.33

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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.