Home / 8,219,719.22-11,347,773.54-4,957,364.12

Finding the Fourth Proportional to 8,219,719.22, 11,347,773.54 and 4,957,364.12

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Solution

The fourth proportional to 8,219,719.22, 11,347,773.54 and 4,957,364.12 is: 6,843,913.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,219,719.22 : 11,347,773.54 = 4,957,364.12 : x
  2. Step 2: Convert to fraction form
    8,219,719.22/11,347,773.54 = 4,957,364.12/x
  3. Step 3: Cross multiply
    8,219,719.22x = 11,347,773.54 × 4,957,364.12
  4. Step 4: Simplify right side
    8,219,719.22x = 56,255,045,389,081.38
  5. Step 5: Solve for x
    x = 56,255,045,389,081.38/8,219,719.22
  6. Step 6: Final answer
    x = 6,843,913.26

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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.