Home / 13,493,169.32-18,621,013.62-7,381,597.64

Finding the Fourth Proportional to 13,493,169.32, 18,621,013.62 and 7,381,597.64

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Solution

The fourth proportional to 13,493,169.32, 18,621,013.62 and 7,381,597.64 is: 10,186,845.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,493,169.32 : 18,621,013.62 = 7,381,597.64 : x
  2. Step 2: Convert to fraction form
    13,493,169.32/18,621,013.62 = 7,381,597.64/x
  3. Step 3: Cross multiply
    13,493,169.32x = 18,621,013.62 × 7,381,597.64
  4. Step 4: Simplify right side
    13,493,169.32x = 137,452,830,191,799.86
  5. Step 5: Solve for x
    x = 137,452,830,191,799.86/13,493,169.32
  6. Step 6: Final answer
    x = 10,186,845.43

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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.