Home / 10,990,808.40-16,478,532.60-6,500,773.20

Finding the Fourth Proportional to 10,990,808.40, 16,478,532.60 and 6,500,773.20

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Solution

The fourth proportional to 10,990,808.40, 16,478,532.60 and 6,500,773.20 is: 9,746,617.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,990,808.40 : 16,478,532.60 = 6,500,773.20 : x
  2. Step 2: Convert to fraction form
    10,990,808.40/16,478,532.60 = 6,500,773.20/x
  3. Step 3: Cross multiply
    10,990,808.40x = 16,478,532.60 × 6,500,773.20
  4. Step 4: Simplify right side
    10,990,808.40x = 107,123,203,101,406.33
  5. Step 5: Solve for x
    x = 107,123,203,101,406.33/10,990,808.40
  6. Step 6: Final answer
    x = 9,746,617.28

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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.