Home / 7,285,119.81-10,925,775.66-2,166,171.15

Finding the Fourth Proportional to 7,285,119.81, 10,925,775.66 and 2,166,171.15

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Solution

The fourth proportional to 7,285,119.81, 10,925,775.66 and 2,166,171.15 is: 3,248,690.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,285,119.81 : 10,925,775.66 = 2,166,171.15 : x
  2. Step 2: Convert to fraction form
    7,285,119.81/10,925,775.66 = 2,166,171.15/x
  3. Step 3: Cross multiply
    7,285,119.81x = 10,925,775.66 × 2,166,171.15
  4. Step 4: Simplify right side
    7,285,119.81x = 23,667,100,026,064.21
  5. Step 5: Solve for x
    x = 23,667,100,026,064.21/7,285,119.81
  6. Step 6: Final answer
    x = 3,248,690.57

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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.