Home / 19,008,655.20-28,519,981.20-6,229,576.80

Finding the Fourth Proportional to 19,008,655.20, 28,519,981.20 and 6,229,576.80

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Solution

The fourth proportional to 19,008,655.20, 28,519,981.20 and 6,229,576.80 is: 9,346,658.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,008,655.20 : 28,519,981.20 = 6,229,576.80 : x
  2. Step 2: Convert to fraction form
    19,008,655.20/28,519,981.20 = 6,229,576.80/x
  3. Step 3: Cross multiply
    19,008,655.20x = 28,519,981.20 × 6,229,576.80
  4. Step 4: Simplify right side
    19,008,655.20x = 177,667,413,219,956.16
  5. Step 5: Solve for x
    x = 177,667,413,219,956.16/19,008,655.20
  6. Step 6: Final answer
    x = 9,346,658.74

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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.