Home / 12,111,503.46-18,152,295.48-10,393,571.22

Finding the Fourth Proportional to 12,111,503.46, 18,152,295.48 and 10,393,571.22

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Solution

The fourth proportional to 12,111,503.46, 18,152,295.48 and 10,393,571.22 is: 15,577,519.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,111,503.46 : 18,152,295.48 = 10,393,571.22 : x
  2. Step 2: Convert to fraction form
    12,111,503.46/18,152,295.48 = 10,393,571.22/x
  3. Step 3: Cross multiply
    12,111,503.46x = 18,152,295.48 × 10,393,571.22
  4. Step 4: Simplify right side
    12,111,503.46x = 188,667,175,877,864.09
  5. Step 5: Solve for x
    x = 188,667,175,877,864.09/12,111,503.46
  6. Step 6: Final answer
    x = 15,577,519.05

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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.