Home / 15,558,758.65-21,470,523.46-8,589,286.74

Finding the Fourth Proportional to 15,558,758.65, 21,470,523.46 and 8,589,286.74

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Solution

The fourth proportional to 15,558,758.65, 21,470,523.46 and 8,589,286.74 is: 11,852,904.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,558,758.65 : 21,470,523.46 = 8,589,286.74 : x
  2. Step 2: Convert to fraction form
    15,558,758.65/21,470,523.46 = 8,589,286.74/x
  3. Step 3: Cross multiply
    15,558,758.65x = 21,470,523.46 × 8,589,286.74
  4. Step 4: Simplify right side
    15,558,758.65x = 184,416,482,455,836.94
  5. Step 5: Solve for x
    x = 184,416,482,455,836.94/15,558,758.65
  6. Step 6: Final answer
    x = 11,852,904.63

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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.