Home / 13,588,799.20-18,751,980.64-7,393,871.40

Finding the Fourth Proportional to 13,588,799.20, 18,751,980.64 and 7,393,871.40

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Solution

The fourth proportional to 13,588,799.20, 18,751,980.64 and 7,393,871.40 is: 10,203,236.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,588,799.20 : 18,751,980.64 = 7,393,871.40 : x
  2. Step 2: Convert to fraction form
    13,588,799.20/18,751,980.64 = 7,393,871.40/x
  3. Step 3: Cross multiply
    13,588,799.20x = 18,751,980.64 × 7,393,871.40
  4. Step 4: Simplify right side
    13,588,799.20x = 138,649,733,347,449.70
  5. Step 5: Solve for x
    x = 138,649,733,347,449.70/13,588,799.20
  6. Step 6: Final answer
    x = 10,203,236.60

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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.