Home / 13,325,098.32-18,388,695.33-7,213,526.82

Finding the Fourth Proportional to 13,325,098.32, 18,388,695.33 and 7,213,526.82

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Solution

The fourth proportional to 13,325,098.32, 18,388,695.33 and 7,213,526.82 is: 9,954,699.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,325,098.32 : 18,388,695.33 = 7,213,526.82 : x
  2. Step 2: Convert to fraction form
    13,325,098.32/18,388,695.33 = 7,213,526.82/x
  3. Step 3: Cross multiply
    13,325,098.32x = 18,388,695.33 × 7,213,526.82
  4. Step 4: Simplify right side
    13,325,098.32x = 132,647,346,947,763.75
  5. Step 5: Solve for x
    x = 132,647,346,947,763.75/13,325,098.32
  6. Step 6: Final answer
    x = 9,954,699.30

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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.