Home / 13,621,837.62-20,444,561.84-7,149,484.82

Finding the Fourth Proportional to 13,621,837.62, 20,444,561.84 and 7,149,484.82

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Solution

The fourth proportional to 13,621,837.62, 20,444,561.84 and 7,149,484.82 is: 10,730,423.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,621,837.62 : 20,444,561.84 = 7,149,484.82 : x
  2. Step 2: Convert to fraction form
    13,621,837.62/20,444,561.84 = 7,149,484.82/x
  3. Step 3: Cross multiply
    13,621,837.62x = 20,444,561.84 × 7,149,484.82
  4. Step 4: Simplify right side
    13,621,837.62x = 146,168,084,388,661.06
  5. Step 5: Solve for x
    x = 146,168,084,388,661.06/13,621,837.62
  6. Step 6: Final answer
    x = 10,730,423.34

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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.