Home / 13,620,265.04-18,796,110.60-7,508,912.24

Finding the Fourth Proportional to 13,620,265.04, 18,796,110.60 and 7,508,912.24

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Solution

The fourth proportional to 13,620,265.04, 18,796,110.60 and 7,508,912.24 is: 10,362,378.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,620,265.04 : 18,796,110.60 = 7,508,912.24 : x
  2. Step 2: Convert to fraction form
    13,620,265.04/18,796,110.60 = 7,508,912.24/x
  3. Step 3: Cross multiply
    13,620,265.04x = 18,796,110.60 × 7,508,912.24
  4. Step 4: Simplify right side
    13,620,265.04x = 141,138,344,948,733.75
  5. Step 5: Solve for x
    x = 141,138,344,948,733.75/13,620,265.04
  6. Step 6: Final answer
    x = 10,362,378.74

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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.