Home / 8,782,012.82-12,118,984.62-4,808,275.94

Finding the Fourth Proportional to 8,782,012.82, 12,118,984.62 and 4,808,275.94

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Solution

The fourth proportional to 8,782,012.82, 12,118,984.62 and 4,808,275.94 is: 6,635,315.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,782,012.82 : 12,118,984.62 = 4,808,275.94 : x
  2. Step 2: Convert to fraction form
    8,782,012.82/12,118,984.62 = 4,808,275.94/x
  3. Step 3: Cross multiply
    8,782,012.82x = 12,118,984.62 × 4,808,275.94
  4. Step 4: Simplify right side
    8,782,012.82x = 58,271,422,165,576.05
  5. Step 5: Solve for x
    x = 58,271,422,165,576.05/8,782,012.82
  6. Step 6: Final answer
    x = 6,635,315.09

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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.