Home / 8,051,986.86-11,118,446.19-7,467,807.72

Finding the Fourth Proportional to 8,051,986.86, 11,118,446.19 and 7,467,807.72

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Solution

The fourth proportional to 8,051,986.86, 11,118,446.19 and 7,467,807.72 is: 10,311,792.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,051,986.86 : 11,118,446.19 = 7,467,807.72 : x
  2. Step 2: Convert to fraction form
    8,051,986.86/11,118,446.19 = 7,467,807.72/x
  3. Step 3: Cross multiply
    8,051,986.86x = 11,118,446.19 × 7,467,807.72
  4. Step 4: Simplify right side
    8,051,986.86x = 83,030,418,292,086.58
  5. Step 5: Solve for x
    x = 83,030,418,292,086.58/8,051,986.86
  6. Step 6: Final answer
    x = 10,311,792.57

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Double scale
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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.