Home / 21,719,539-29,978,183.96-12,432,492.64

Finding the Fourth Proportional to 21,719,539, 29,978,183.96 and 12,432,492.64

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Solution

The fourth proportional to 21,719,539, 29,978,183.96 and 12,432,492.64 is: 17,159,827.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,719,539 : 29,978,183.96 = 12,432,492.64 : x
  2. Step 2: Convert to fraction form
    21,719,539/29,978,183.96 = 12,432,492.64/x
  3. Step 3: Cross multiply
    21,719,539x = 29,978,183.96 × 12,432,492.64
  4. Step 4: Simplify right side
    21,719,539x = 372,703,551,443,266.06
  5. Step 5: Solve for x
    x = 372,703,551,443,266.06/21,719,539
  6. Step 6: Final answer
    x = 17,159,827.91

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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.