Home / 10,889,716.60-16,334,574.90-9,189,105.40

Finding the Fourth Proportional to 10,889,716.60, 16,334,574.90 and 9,189,105.40

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Solution

The fourth proportional to 10,889,716.60, 16,334,574.90 and 9,189,105.40 is: 13,783,658.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,889,716.60 : 16,334,574.90 = 9,189,105.40 : x
  2. Step 2: Convert to fraction form
    10,889,716.60/16,334,574.90 = 9,189,105.40/x
  3. Step 3: Cross multiply
    10,889,716.60x = 16,334,574.90 × 9,189,105.40
  4. Step 4: Simplify right side
    10,889,716.60x = 150,100,130,420,294.47
  5. Step 5: Solve for x
    x = 150,100,130,420,294.47/10,889,716.60
  6. Step 6: Final answer
    x = 13,783,658.10

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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.