Home / 9,519,841.54-13,137,609.60-5,169,111.22

Finding the Fourth Proportional to 9,519,841.54, 13,137,609.60 and 5,169,111.22

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Solution

The fourth proportional to 9,519,841.54, 13,137,609.60 and 5,169,111.22 is: 7,133,497.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,519,841.54 : 13,137,609.60 = 5,169,111.22 : x
  2. Step 2: Convert to fraction form
    9,519,841.54/13,137,609.60 = 5,169,111.22/x
  3. Step 3: Cross multiply
    9,519,841.54x = 13,137,609.60 × 5,169,111.22
  4. Step 4: Simplify right side
    9,519,841.54x = 67,909,765,187,339.70
  5. Step 5: Solve for x
    x = 67,909,765,187,339.70/9,519,841.54
  6. Step 6: Final answer
    x = 7,133,497.43

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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.