Home / 7,178,832.32-10,768,253.04-2,130,098.24

Finding the Fourth Proportional to 7,178,832.32, 10,768,253.04 and 2,130,098.24

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Solution

The fourth proportional to 7,178,832.32, 10,768,253.04 and 2,130,098.24 is: 3,195,148.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,178,832.32 : 10,768,253.04 = 2,130,098.24 : x
  2. Step 2: Convert to fraction form
    7,178,832.32/10,768,253.04 = 2,130,098.24/x
  3. Step 3: Cross multiply
    7,178,832.32x = 10,768,253.04 × 2,130,098.24
  4. Step 4: Simplify right side
    7,178,832.32x = 22,937,436,848,378.65
  5. Step 5: Solve for x
    x = 22,937,436,848,378.65/7,178,832.32
  6. Step 6: Final answer
    x = 3,195,148.71

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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.