Home / 11,439,623.49-15,782,839.47-6,477,387.90

Finding the Fourth Proportional to 11,439,623.49, 15,782,839.47 and 6,477,387.90

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Solution

The fourth proportional to 11,439,623.49, 15,782,839.47 and 6,477,387.90 is: 8,936,620.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,439,623.49 : 15,782,839.47 = 6,477,387.90 : x
  2. Step 2: Convert to fraction form
    11,439,623.49/15,782,839.47 = 6,477,387.90/x
  3. Step 3: Cross multiply
    11,439,623.49x = 15,782,839.47 × 6,477,387.90
  4. Step 4: Simplify right side
    11,439,623.49x = 102,231,573,410,620.42
  5. Step 5: Solve for x
    x = 102,231,573,410,620.42/11,439,623.49
  6. Step 6: Final answer
    x = 8,936,620.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.