Home / 13,166,137.56-18,168,416.46-7,363,915.32

Finding the Fourth Proportional to 13,166,137.56, 18,168,416.46 and 7,363,915.32

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Solution

The fourth proportional to 13,166,137.56, 18,168,416.46 and 7,363,915.32 is: 10,161,725.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,166,137.56 : 18,168,416.46 = 7,363,915.32 : x
  2. Step 2: Convert to fraction form
    13,166,137.56/18,168,416.46 = 7,363,915.32/x
  3. Step 3: Cross multiply
    13,166,137.56x = 18,168,416.46 × 7,363,915.32
  4. Step 4: Simplify right side
    13,166,137.56x = 133,790,680,309,934.17
  5. Step 5: Solve for x
    x = 133,790,680,309,934.17/13,166,137.56
  6. Step 6: Final answer
    x = 10,161,725.84

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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.