Home / 7,876,213.16-11,816,312.30-2,196,438.04

Finding the Fourth Proportional to 7,876,213.16, 11,816,312.30 and 2,196,438.04

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Solution

The fourth proportional to 7,876,213.16, 11,816,312.30 and 2,196,438.04 is: 3,295,212.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,876,213.16 : 11,816,312.30 = 2,196,438.04 : x
  2. Step 2: Convert to fraction form
    7,876,213.16/11,816,312.30 = 2,196,438.04/x
  3. Step 3: Cross multiply
    7,876,213.16x = 11,816,312.30 × 2,196,438.04
  4. Step 4: Simplify right side
    7,876,213.16x = 25,953,797,828,239.89
  5. Step 5: Solve for x
    x = 25,953,797,828,239.89/7,876,213.16
  6. Step 6: Final answer
    x = 3,295,212.72

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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.