Home / 13,504,435.22-18,635,946.41-7,703,313.84

Finding the Fourth Proportional to 13,504,435.22, 18,635,946.41 and 7,703,313.84

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Solution

The fourth proportional to 13,504,435.22, 18,635,946.41 and 7,703,313.84 is: 10,630,473.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,504,435.22 : 18,635,946.41 = 7,703,313.84 : x
  2. Step 2: Convert to fraction form
    13,504,435.22/18,635,946.41 = 7,703,313.84/x
  3. Step 3: Cross multiply
    13,504,435.22x = 18,635,946.41 × 7,703,313.84
  4. Step 4: Simplify right side
    13,504,435.22x = 143,558,543,920,909.59
  5. Step 5: Solve for x
    x = 143,558,543,920,909.59/13,504,435.22
  6. Step 6: Final answer
    x = 10,630,473.73

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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.