Home / 12,149,014.28-16,765,989.60-6,716,856.20

Finding the Fourth Proportional to 12,149,014.28, 16,765,989.60 and 6,716,856.20

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Solution

The fourth proportional to 12,149,014.28, 16,765,989.60 and 6,716,856.20 is: 9,269,455.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,149,014.28 : 16,765,989.60 = 6,716,856.20 : x
  2. Step 2: Convert to fraction form
    12,149,014.28/16,765,989.60 = 6,716,856.20/x
  3. Step 3: Cross multiply
    12,149,014.28x = 16,765,989.60 × 6,716,856.20
  4. Step 4: Simplify right side
    12,149,014.28x = 112,614,741,193,895.52
  5. Step 5: Solve for x
    x = 112,614,741,193,895.52/12,149,014.28
  6. Step 6: Final answer
    x = 9,269,455.00

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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.