Home / 11,421,181.90-15,764,760.30-7,346,800.90

Finding the Fourth Proportional to 11,421,181.90, 15,764,760.30 and 7,346,800.90

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Solution

The fourth proportional to 11,421,181.90, 15,764,760.30 and 7,346,800.90 is: 10,140,855.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,421,181.90 : 15,764,760.30 = 7,346,800.90 : x
  2. Step 2: Convert to fraction form
    11,421,181.90/15,764,760.30 = 7,346,800.90/x
  3. Step 3: Cross multiply
    11,421,181.90x = 15,764,760.30 × 7,346,800.90
  4. Step 4: Simplify right side
    11,421,181.90x = 115,820,555,160,324.28
  5. Step 5: Solve for x
    x = 115,820,555,160,324.28/11,421,181.90
  6. Step 6: Final answer
    x = 10,140,855.49

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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.