Home / 13,649,471.37-18,836,380.68-7,537,899.87

Finding the Fourth Proportional to 13,649,471.37, 18,836,380.68 and 7,537,899.87

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Solution

The fourth proportional to 13,649,471.37, 18,836,380.68 and 7,537,899.87 is: 10,402,362.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,649,471.37 : 18,836,380.68 = 7,537,899.87 : x
  2. Step 2: Convert to fraction form
    13,649,471.37/18,836,380.68 = 7,537,899.87/x
  3. Step 3: Cross multiply
    13,649,471.37x = 18,836,380.68 × 7,537,899.87
  4. Step 4: Simplify right side
    13,649,471.37x = 141,986,751,479,042.50
  5. Step 5: Solve for x
    x = 141,986,751,479,042.50/13,649,471.37
  6. Step 6: Final answer
    x = 10,402,362.67

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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.