Home / 19,327,732.40-29,012,606.57-7,821,120.77

Finding the Fourth Proportional to 19,327,732.40, 29,012,606.57 and 7,821,120.77

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Solution

The fourth proportional to 19,327,732.40, 29,012,606.57 and 7,821,120.77 is: 11,740,182.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,327,732.40 : 29,012,606.57 = 7,821,120.77 : x
  2. Step 2: Convert to fraction form
    19,327,732.40/29,012,606.57 = 7,821,120.77/x
  3. Step 3: Cross multiply
    19,327,732.40x = 29,012,606.57 × 7,821,120.77
  4. Step 4: Simplify right side
    19,327,732.40x = 226,911,099,797,359.84
  5. Step 5: Solve for x
    x = 226,911,099,797,359.84/19,327,732.40
  6. Step 6: Final answer
    x = 11,740,182.20

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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.