Home / 8,435,652-11,641,416.12-5,174,268.72

Finding the Fourth Proportional to 8,435,652, 11,641,416.12 and 5,174,268.72

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Solution

The fourth proportional to 8,435,652, 11,641,416.12 and 5,174,268.72 is: 7,140,623.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,435,652 : 11,641,416.12 = 5,174,268.72 : x
  2. Step 2: Convert to fraction form
    8,435,652/11,641,416.12 = 5,174,268.72/x
  3. Step 3: Cross multiply
    8,435,652x = 11,641,416.12 × 5,174,268.72
  4. Step 4: Simplify right side
    8,435,652x = 60,235,815,286,219.76
  5. Step 5: Solve for x
    x = 60,235,815,286,219.76/8,435,652
  6. Step 6: Final answer
    x = 7,140,623.54

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1.5x scale

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.