Home / 13,656,439.22-18,845,663.18-7,461,352.61

Finding the Fourth Proportional to 13,656,439.22, 18,845,663.18 and 7,461,352.61

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Solution

The fourth proportional to 13,656,439.22, 18,845,663.18 and 7,461,352.61 is: 10,296,544.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,656,439.22 : 18,845,663.18 = 7,461,352.61 : x
  2. Step 2: Convert to fraction form
    13,656,439.22/18,845,663.18 = 7,461,352.61/x
  3. Step 3: Cross multiply
    13,656,439.22x = 18,845,663.18 × 7,461,352.61
  4. Step 4: Simplify right side
    13,656,439.22x = 140,614,138,023,738.83
  5. Step 5: Solve for x
    x = 140,614,138,023,738.83/13,656,439.22
  6. Step 6: Final answer
    x = 10,296,544.79

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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.