Home / 7,086,122.10-10,631,807.55-2,829,345.30

Finding the Fourth Proportional to 7,086,122.10, 10,631,807.55 and 2,829,345.30

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Solution

The fourth proportional to 7,086,122.10, 10,631,807.55 and 2,829,345.30 is: 4,245,065.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,086,122.10 : 10,631,807.55 = 2,829,345.30 : x
  2. Step 2: Convert to fraction form
    7,086,122.10/10,631,807.55 = 2,829,345.30/x
  3. Step 3: Cross multiply
    7,086,122.10x = 10,631,807.55 × 2,829,345.30
  4. Step 4: Simplify right side
    7,086,122.10x = 30,081,054,722,097.02
  5. Step 5: Solve for x
    x = 30,081,054,722,097.02/7,086,122.10
  6. Step 6: Final answer
    x = 4,245,065.82

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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.