Home / 8,213,491.36-12,319,295.91-2,148,808.42

Finding the Fourth Proportional to 8,213,491.36, 12,319,295.91 and 2,148,808.42

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Solution

The fourth proportional to 8,213,491.36, 12,319,295.91 and 2,148,808.42 is: 3,222,966.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,213,491.36 : 12,319,295.91 = 2,148,808.42 : x
  2. Step 2: Convert to fraction form
    8,213,491.36/12,319,295.91 = 2,148,808.42/x
  3. Step 3: Cross multiply
    8,213,491.36x = 12,319,295.91 × 2,148,808.42
  4. Step 4: Simplify right side
    8,213,491.36x = 26,471,806,779,879.56
  5. Step 5: Solve for x
    x = 26,471,806,779,879.56/8,213,491.36
  6. Step 6: Final answer
    x = 3,222,966.41

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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.