Home / 13,325,101.32-18,388,699.48-7,213,529.82

Finding the Fourth Proportional to 13,325,101.32, 18,388,699.48 and 7,213,529.82

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Solution

The fourth proportional to 13,325,101.32, 18,388,699.48 and 7,213,529.82 is: 9,954,703.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,325,101.32 : 18,388,699.48 = 7,213,529.82 : x
  2. Step 2: Convert to fraction form
    13,325,101.32/18,388,699.48 = 7,213,529.82/x
  3. Step 3: Cross multiply
    13,325,101.32x = 18,388,699.48 × 7,213,529.82
  4. Step 4: Simplify right side
    13,325,101.32x = 132,647,432,049,998.50
  5. Step 5: Solve for x
    x = 132,647,432,049,998.50/13,325,101.32
  6. Step 6: Final answer
    x = 9,954,703.45

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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.