Home / 15,334,850.34-21,162,162.87-8,459,330.58

Finding the Fourth Proportional to 15,334,850.34, 21,162,162.87 and 8,459,330.58

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Solution

The fourth proportional to 15,334,850.34, 21,162,162.87 and 8,459,330.58 is: 11,673,914.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,334,850.34 : 21,162,162.87 = 8,459,330.58 : x
  2. Step 2: Convert to fraction form
    15,334,850.34/21,162,162.87 = 8,459,330.58/x
  3. Step 3: Cross multiply
    15,334,850.34x = 21,162,162.87 × 8,459,330.58
  4. Step 4: Simplify right side
    15,334,850.34x = 179,017,731,505,131.56
  5. Step 5: Solve for x
    x = 179,017,731,505,131.56/15,334,850.34
  6. Step 6: Final answer
    x = 11,673,914.48

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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.