Home / 11,197,947.20-16,796,920.80-8,958,459.20

Finding the Fourth Proportional to 11,197,947.20, 16,796,920.80 and 8,958,459.20

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Solution

The fourth proportional to 11,197,947.20, 16,796,920.80 and 8,958,459.20 is: 13,437,688.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,197,947.20 : 16,796,920.80 = 8,958,459.20 : x
  2. Step 2: Convert to fraction form
    11,197,947.20/16,796,920.80 = 8,958,459.20/x
  3. Step 3: Cross multiply
    11,197,947.20x = 16,796,920.80 × 8,958,459.20
  4. Step 4: Simplify right side
    11,197,947.20x = 150,474,529,672,431.34
  5. Step 5: Solve for x
    x = 150,474,529,672,431.34/11,197,947.20
  6. Step 6: Final answer
    x = 13,437,688.80

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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.