Home / 21,388,004.40-29,507,691.24-14,049,788.88

Finding the Fourth Proportional to 21,388,004.40, 29,507,691.24 and 14,049,788.88

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Solution

The fourth proportional to 21,388,004.40, 29,507,691.24 and 14,049,788.88 is: 19,383,614.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,388,004.40 : 29,507,691.24 = 14,049,788.88 : x
  2. Step 2: Convert to fraction form
    21,388,004.40/29,507,691.24 = 14,049,788.88/x
  3. Step 3: Cross multiply
    21,388,004.40x = 29,507,691.24 × 14,049,788.88
  4. Step 4: Simplify right side
    21,388,004.40x = 414,576,832,258,225.44
  5. Step 5: Solve for x
    x = 414,576,832,258,225.44/21,388,004.40
  6. Step 6: Final answer
    x = 19,383,614.50

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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.