Home / 12,367,405.54-17,069,065.60-6,862,553.86

Finding the Fourth Proportional to 12,367,405.54, 17,069,065.60 and 6,862,553.86

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Solution

The fourth proportional to 12,367,405.54, 17,069,065.60 and 6,862,553.86 is: 9,471,459.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,367,405.54 : 17,069,065.60 = 6,862,553.86 : x
  2. Step 2: Convert to fraction form
    12,367,405.54/17,069,065.60 = 6,862,553.86/x
  3. Step 3: Cross multiply
    12,367,405.54x = 17,069,065.60 × 6,862,553.86
  4. Step 4: Simplify right side
    12,367,405.54x = 117,137,382,019,873.23
  5. Step 5: Solve for x
    x = 117,137,382,019,873.23/12,367,405.54
  6. Step 6: Final answer
    x = 9,471,459.61

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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.