Home / 9,188,135.42-13,790,719.76-4,642,379.10

Finding the Fourth Proportional to 9,188,135.42, 13,790,719.76 and 4,642,379.10

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Solution

The fourth proportional to 9,188,135.42, 13,790,719.76 and 4,642,379.10 is: 6,967,871.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,188,135.42 : 13,790,719.76 = 4,642,379.10 : x
  2. Step 2: Convert to fraction form
    9,188,135.42/13,790,719.76 = 4,642,379.10/x
  3. Step 3: Cross multiply
    9,188,135.42x = 13,790,719.76 × 4,642,379.10
  4. Step 4: Simplify right side
    9,188,135.42x = 64,021,749,164,569.12
  5. Step 5: Solve for x
    x = 64,021,749,164,569.12/9,188,135.42
  6. Step 6: Final answer
    x = 6,967,871.75

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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.