Home / 21,347,138.22-29,459,008.44-11,557,579.74

Finding the Fourth Proportional to 21,347,138.22, 29,459,008.44 and 11,557,579.74

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Solution

The fourth proportional to 21,347,138.22, 29,459,008.44 and 11,557,579.74 is: 15,949,437.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,347,138.22 : 29,459,008.44 = 11,557,579.74 : x
  2. Step 2: Convert to fraction form
    21,347,138.22/29,459,008.44 = 11,557,579.74/x
  3. Step 3: Cross multiply
    21,347,138.22x = 29,459,008.44 × 11,557,579.74
  4. Step 4: Simplify right side
    21,347,138.22x = 340,474,839,106,633
  5. Step 5: Solve for x
    x = 340,474,839,106,633/21,347,138.22
  6. Step 6: Final answer
    x = 15,949,437.14

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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.