Home / 13,488,742.64-18,613,339.74-7,608,052.73

Finding the Fourth Proportional to 13,488,742.64, 18,613,339.74 and 7,608,052.73

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Solution

The fourth proportional to 13,488,742.64, 18,613,339.74 and 7,608,052.73 is: 10,498,478.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,488,742.64 : 18,613,339.74 = 7,608,052.73 : x
  2. Step 2: Convert to fraction form
    13,488,742.64/18,613,339.74 = 7,608,052.73/x
  3. Step 3: Cross multiply
    13,488,742.64x = 18,613,339.74 × 7,608,052.73
  4. Step 4: Simplify right side
    13,488,742.64x = 141,611,270,223,324.50
  5. Step 5: Solve for x
    x = 141,611,270,223,324.50/13,488,742.64
  6. Step 6: Final answer
    x = 10,498,478.18

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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.