Home / 9,286,871.27-12,815,453.95-5,157,166.19

Finding the Fourth Proportional to 9,286,871.27, 12,815,453.95 and 5,157,166.19

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Solution

The fourth proportional to 9,286,871.27, 12,815,453.95 and 5,157,166.19 is: 7,116,651.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,286,871.27 : 12,815,453.95 = 5,157,166.19 : x
  2. Step 2: Convert to fraction form
    9,286,871.27/12,815,453.95 = 5,157,166.19/x
  3. Step 3: Cross multiply
    9,286,871.27x = 12,815,453.95 × 5,157,166.19
  4. Step 4: Simplify right side
    9,286,871.27x = 66,091,425,743,471.76
  5. Step 5: Solve for x
    x = 66,091,425,743,471.76/9,286,871.27
  6. Step 6: Final answer
    x = 7,116,651.44

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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.