Home / 12,120,800.22-16,727,059.21-6,614,529.87

Finding the Fourth Proportional to 12,120,800.22, 16,727,059.21 and 6,614,529.87

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Solution

The fourth proportional to 12,120,800.22, 16,727,059.21 and 6,614,529.87 is: 9,128,244.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,120,800.22 : 16,727,059.21 = 6,614,529.87 : x
  2. Step 2: Convert to fraction form
    12,120,800.22/16,727,059.21 = 6,614,529.87/x
  3. Step 3: Cross multiply
    12,120,800.22x = 16,727,059.21 × 6,614,529.87
  4. Step 4: Simplify right side
    12,120,800.22x = 110,641,632,781,803.61
  5. Step 5: Solve for x
    x = 110,641,632,781,803.61/12,120,800.22
  6. Step 6: Final answer
    x = 9,128,244.90

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1.5x scale

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.