Home / 13,487,049.20-20,230,573.80-9,204,028.40

Finding the Fourth Proportional to 13,487,049.20, 20,230,573.80 and 9,204,028.40

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Solution

The fourth proportional to 13,487,049.20, 20,230,573.80 and 9,204,028.40 is: 13,806,042.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,487,049.20 : 20,230,573.80 = 9,204,028.40 : x
  2. Step 2: Convert to fraction form
    13,487,049.20/20,230,573.80 = 9,204,028.40/x
  3. Step 3: Cross multiply
    13,487,049.20x = 20,230,573.80 × 9,204,028.40
  4. Step 4: Simplify right side
    13,487,049.20x = 186,202,775,803,495.94
  5. Step 5: Solve for x
    x = 186,202,775,803,495.94/13,487,049.20
  6. Step 6: Final answer
    x = 13,806,042.60

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1.5x scale

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.