Home / 10,990,729.40-16,478,414.10-6,500,694.20

Finding the Fourth Proportional to 10,990,729.40, 16,478,414.10 and 6,500,694.20

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Solution

The fourth proportional to 10,990,729.40, 16,478,414.10 and 6,500,694.20 is: 9,746,498.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,990,729.40 : 16,478,414.10 = 6,500,694.20 : x
  2. Step 2: Convert to fraction form
    10,990,729.40/16,478,414.10 = 6,500,694.20/x
  3. Step 3: Cross multiply
    10,990,729.40x = 16,478,414.10 × 6,500,694.20
  4. Step 4: Simplify right side
    10,990,729.40x = 107,121,130,965,068.22
  5. Step 5: Solve for x
    x = 107,121,130,965,068.22/10,990,729.40
  6. Step 6: Final answer
    x = 9,746,498.81

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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.