Home / 13,595,733.12-18,762,350.40-7,400,957.88

Finding the Fourth Proportional to 13,595,733.12, 18,762,350.40 and 7,400,957.88

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Solution

The fourth proportional to 13,595,733.12, 18,762,350.40 and 7,400,957.88 is: 10,213,451.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,595,733.12 : 18,762,350.40 = 7,400,957.88 : x
  2. Step 2: Convert to fraction form
    13,595,733.12/18,762,350.40 = 7,400,957.88/x
  3. Step 3: Cross multiply
    13,595,733.12x = 18,762,350.40 × 7,400,957.88
  4. Step 4: Simplify right side
    13,595,733.12x = 138,859,365,040,201.14
  5. Step 5: Solve for x
    x = 138,859,365,040,201.14/13,595,733.12
  6. Step 6: Final answer
    x = 10,213,451.81

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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.