Home / 6,642,014.90-9,956,801.55-5,201,899.70

Finding the Fourth Proportional to 6,642,014.90, 9,956,801.55 and 5,201,899.70

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Solution

The fourth proportional to 6,642,014.90, 9,956,801.55 and 5,201,899.70 is: 7,797,977.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,642,014.90 : 9,956,801.55 = 5,201,899.70 : x
  2. Step 2: Convert to fraction form
    6,642,014.90/9,956,801.55 = 5,201,899.70/x
  3. Step 3: Cross multiply
    6,642,014.90x = 9,956,801.55 × 5,201,899.70
  4. Step 4: Simplify right side
    6,642,014.90x = 51,794,282,995,904.54
  5. Step 5: Solve for x
    x = 51,794,282,995,904.54/6,642,014.90
  6. Step 6: Final answer
    x = 7,797,977.54

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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.