Home / 7,459,889.82-11,189,797.84-6,445,926.28

Finding the Fourth Proportional to 7,459,889.82, 11,189,797.84 and 6,445,926.28

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Solution

The fourth proportional to 7,459,889.82, 11,189,797.84 and 6,445,926.28 is: 9,668,857.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,459,889.82 : 11,189,797.84 = 6,445,926.28 : x
  2. Step 2: Convert to fraction form
    7,459,889.82/11,189,797.84 = 6,445,926.28/x
  3. Step 3: Cross multiply
    7,459,889.82x = 11,189,797.84 × 6,445,926.28
  4. Step 4: Simplify right side
    7,459,889.82x = 72,128,611,964,743.23
  5. Step 5: Solve for x
    x = 72,128,611,964,743.23/7,459,889.82
  6. Step 6: Final answer
    x = 9,668,857.54

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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.