Home / 10,915,242.80-16,372,912.80-2,827,643.90

Finding the Fourth Proportional to 10,915,242.80, 16,372,912.80 and 2,827,643.90

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Solution

The fourth proportional to 10,915,242.80, 16,372,912.80 and 2,827,643.90 is: 4,241,478.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,915,242.80 : 16,372,912.80 = 2,827,643.90 : x
  2. Step 2: Convert to fraction form
    10,915,242.80/16,372,912.80 = 2,827,643.90/x
  3. Step 3: Cross multiply
    10,915,242.80x = 16,372,912.80 × 2,827,643.90
  4. Step 4: Simplify right side
    10,915,242.80x = 46,296,767,004,151.92
  5. Step 5: Solve for x
    x = 46,296,767,004,151.92/10,915,242.80
  6. Step 6: Final answer
    x = 4,241,478.44

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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.