Home / 13,415,613.16-18,515,219.16-7,616,272.36

Finding the Fourth Proportional to 13,415,613.16, 18,515,219.16 and 7,616,272.36

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Solution

The fourth proportional to 13,415,613.16, 18,515,219.16 and 7,616,272.36 is: 10,511,405.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,415,613.16 : 18,515,219.16 = 7,616,272.36 : x
  2. Step 2: Convert to fraction form
    13,415,613.16/18,515,219.16 = 7,616,272.36/x
  3. Step 3: Cross multiply
    13,415,613.16x = 18,515,219.16 × 7,616,272.36
  4. Step 4: Simplify right side
    13,415,613.16x = 141,016,951,927,650.44
  5. Step 5: Solve for x
    x = 141,016,951,927,650.44/13,415,613.16
  6. Step 6: Final answer
    x = 10,511,405.65

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1.5x scale

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.