Home / 13,866,129.40-20,806,446.96-5,674,852.12

Finding the Fourth Proportional to 13,866,129.40, 20,806,446.96 and 5,674,852.12

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Solution

The fourth proportional to 13,866,129.40, 20,806,446.96 and 5,674,852.12 is: 8,515,246.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,866,129.40 : 20,806,446.96 = 5,674,852.12 : x
  2. Step 2: Convert to fraction form
    13,866,129.40/20,806,446.96 = 5,674,852.12/x
  3. Step 3: Cross multiply
    13,866,129.40x = 20,806,446.96 × 5,674,852.12
  4. Step 4: Simplify right side
    13,866,129.40x = 118,073,509,640,623.56
  5. Step 5: Solve for x
    x = 118,073,509,640,623.56/13,866,129.40
  6. Step 6: Final answer
    x = 8,515,246.49

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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.