Home / 13,409,085.15-18,491,673.69-9,008,753.67

Finding the Fourth Proportional to 13,409,085.15, 18,491,673.69 and 9,008,753.67

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Solution

The fourth proportional to 13,409,085.15, 18,491,673.69 and 9,008,753.67 is: 12,423,437.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,409,085.15 : 18,491,673.69 = 9,008,753.67 : x
  2. Step 2: Convert to fraction form
    13,409,085.15/18,491,673.69 = 9,008,753.67/x
  3. Step 3: Cross multiply
    13,409,085.15x = 18,491,673.69 × 9,008,753.67
  4. Step 4: Simplify right side
    13,409,085.15x = 166,586,933,219,229.94
  5. Step 5: Solve for x
    x = 166,586,933,219,229.94/13,409,085.15
  6. Step 6: Final answer
    x = 12,423,437.64

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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.