Home / 11,099,429.20-16,649,143.80-7,267,416.40

Finding the Fourth Proportional to 11,099,429.20, 16,649,143.80 and 7,267,416.40

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Solution

The fourth proportional to 11,099,429.20, 16,649,143.80 and 7,267,416.40 is: 10,901,124.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,099,429.20 : 16,649,143.80 = 7,267,416.40 : x
  2. Step 2: Convert to fraction form
    11,099,429.20/16,649,143.80 = 7,267,416.40/x
  3. Step 3: Cross multiply
    11,099,429.20x = 16,649,143.80 × 7,267,416.40
  4. Step 4: Simplify right side
    11,099,429.20x = 120,996,260,698,078.33
  5. Step 5: Solve for x
    x = 120,996,260,698,078.33/11,099,429.20
  6. Step 6: Final answer
    x = 10,901,124.60

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1.5x scale

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.