Home / 12,838,579.92-19,266,217.74-5,559,148.44

Finding the Fourth Proportional to 12,838,579.92, 19,266,217.74 and 5,559,148.44

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Solution

The fourth proportional to 12,838,579.92, 19,266,217.74 and 5,559,148.44 is: 8,342,337.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,838,579.92 : 19,266,217.74 = 5,559,148.44 : x
  2. Step 2: Convert to fraction form
    12,838,579.92/19,266,217.74 = 5,559,148.44/x
  3. Step 3: Cross multiply
    12,838,579.92x = 19,266,217.74 × 5,559,148.44
  4. Step 4: Simplify right side
    12,838,579.92x = 107,103,764,294,021.33
  5. Step 5: Solve for x
    x = 107,103,764,294,021.33/12,838,579.92
  6. Step 6: Final answer
    x = 8,342,337.31

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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.