Home / 8,539,156.37-12,800,513.85-3,144,864.38

Finding the Fourth Proportional to 8,539,156.37, 12,800,513.85 and 3,144,864.38

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Solution

The fourth proportional to 8,539,156.37, 12,800,513.85 and 3,144,864.38 is: 4,714,268.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,539,156.37 : 12,800,513.85 = 3,144,864.38 : x
  2. Step 2: Convert to fraction form
    8,539,156.37/12,800,513.85 = 3,144,864.38/x
  3. Step 3: Cross multiply
    8,539,156.37x = 12,800,513.85 × 3,144,864.38
  4. Step 4: Simplify right side
    8,539,156.37x = 40,255,879,988,559.09
  5. Step 5: Solve for x
    x = 40,255,879,988,559.09/8,539,156.37
  6. Step 6: Final answer
    x = 4,714,268.98

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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.