Home / 19,809,284.10-29,720,573.28-7,679,143.14

Finding the Fourth Proportional to 19,809,284.10, 29,720,573.28 and 7,679,143.14

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Solution

The fourth proportional to 19,809,284.10, 29,720,573.28 and 7,679,143.14 is: 11,521,291.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,809,284.10 : 29,720,573.28 = 7,679,143.14 : x
  2. Step 2: Convert to fraction form
    19,809,284.10/29,720,573.28 = 7,679,143.14/x
  3. Step 3: Cross multiply
    19,809,284.10x = 29,720,573.28 × 7,679,143.14
  4. Step 4: Simplify right side
    19,809,284.10x = 228,228,536,419,979.31
  5. Step 5: Solve for x
    x = 228,228,536,419,979.31/19,809,284.10
  6. Step 6: Final answer
    x = 11,521,291.49

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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.