Home / 13,166,640.96-18,169,106.72-7,364,416.32

Finding the Fourth Proportional to 13,166,640.96, 18,169,106.72 and 7,364,416.32

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Solution

The fourth proportional to 13,166,640.96, 18,169,106.72 and 7,364,416.32 is: 10,162,414.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,166,640.96 : 18,169,106.72 = 7,364,416.32 : x
  2. Step 2: Convert to fraction form
    13,166,640.96/18,169,106.72 = 7,364,416.32/x
  3. Step 3: Cross multiply
    13,166,640.96x = 18,169,106.72 × 7,364,416.32
  4. Step 4: Simplify right side
    13,166,640.96x = 133,804,866,048,589.67
  5. Step 5: Solve for x
    x = 133,804,866,048,589.67/13,166,640.96
  6. Step 6: Final answer
    x = 10,162,414.73

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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.