Home / 12,383,425.32-18,572,978.79-3,286,442.64

Finding the Fourth Proportional to 12,383,425.32, 18,572,978.79 and 3,286,442.64

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Solution

The fourth proportional to 12,383,425.32, 18,572,978.79 and 3,286,442.64 is: 4,929,090.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,383,425.32 : 18,572,978.79 = 3,286,442.64 : x
  2. Step 2: Convert to fraction form
    12,383,425.32/18,572,978.79 = 3,286,442.64/x
  3. Step 3: Cross multiply
    12,383,425.32x = 18,572,978.79 × 3,286,442.64
  4. Step 4: Simplify right side
    12,383,425.32x = 61,039,029,447,271.60
  5. Step 5: Solve for x
    x = 61,039,029,447,271.60/12,383,425.32
  6. Step 6: Final answer
    x = 4,929,090.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.