Home / 11,555,245.47-15,946,042.65-6,398,496.30

Finding the Fourth Proportional to 11,555,245.47, 15,946,042.65 and 6,398,496.30

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Solution

The fourth proportional to 11,555,245.47, 15,946,042.65 and 6,398,496.30 is: 8,829,816.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,555,245.47 : 15,946,042.65 = 6,398,496.30 : x
  2. Step 2: Convert to fraction form
    11,555,245.47/15,946,042.65 = 6,398,496.30/x
  3. Step 3: Cross multiply
    11,555,245.47x = 15,946,042.65 × 6,398,496.30
  4. Step 4: Simplify right side
    11,555,245.47x = 102,030,694,895,667.19
  5. Step 5: Solve for x
    x = 102,030,694,895,667.19/11,555,245.47
  6. Step 6: Final answer
    x = 8,829,816.31

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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.