Home / 10,728,019.90-16,085,809.05-3,997,114.30

Finding the Fourth Proportional to 10,728,019.90, 16,085,809.05 and 3,997,114.30

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Solution

The fourth proportional to 10,728,019.90, 16,085,809.05 and 3,997,114.30 is: 5,993,353.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,728,019.90 : 16,085,809.05 = 3,997,114.30 : x
  2. Step 2: Convert to fraction form
    10,728,019.90/16,085,809.05 = 3,997,114.30/x
  3. Step 3: Cross multiply
    10,728,019.90x = 16,085,809.05 × 3,997,114.30
  4. Step 4: Simplify right side
    10,728,019.90x = 64,296,817,380,824.41
  5. Step 5: Solve for x
    x = 64,296,817,380,824.41/10,728,019.90
  6. Step 6: Final answer
    x = 5,993,353.66

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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.