Home / 8,764,987.48-12,103,438.50-5,462,917.20

Finding the Fourth Proportional to 8,764,987.48, 12,103,438.50 and 5,462,917.20

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Solution

The fourth proportional to 8,764,987.48, 12,103,438.50 and 5,462,917.20 is: 7,543,659.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,764,987.48 : 12,103,438.50 = 5,462,917.20 : x
  2. Step 2: Convert to fraction form
    8,764,987.48/12,103,438.50 = 5,462,917.20/x
  3. Step 3: Cross multiply
    8,764,987.48x = 12,103,438.50 × 5,462,917.20
  4. Step 4: Simplify right side
    8,764,987.48x = 66,120,082,360,792.20
  5. Step 5: Solve for x
    x = 66,120,082,360,792.20/8,764,987.48
  6. Step 6: Final answer
    x = 7,543,659.65

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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.