Home / 7,826,983.74-10,796,661.75-4,921,775.10

Finding the Fourth Proportional to 7,826,983.74, 10,796,661.75 and 4,921,775.10

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Solution

The fourth proportional to 7,826,983.74, 10,796,661.75 and 4,921,775.10 is: 6,789,172.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,826,983.74 : 10,796,661.75 = 4,921,775.10 : x
  2. Step 2: Convert to fraction form
    7,826,983.74/10,796,661.75 = 4,921,775.10/x
  3. Step 3: Cross multiply
    7,826,983.74x = 10,796,661.75 × 4,921,775.10
  4. Step 4: Simplify right side
    7,826,983.74x = 53,138,740,964,272.42
  5. Step 5: Solve for x
    x = 53,138,740,964,272.42/7,826,983.74
  6. Step 6: Final answer
    x = 6,789,172.27

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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.