Home / 8,422,128.96-12,633,194.63-2,032,381.32

Finding the Fourth Proportional to 8,422,128.96, 12,633,194.63 and 2,032,381.32

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Solution

The fourth proportional to 8,422,128.96, 12,633,194.63 and 2,032,381.32 is: 3,048,572.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,422,128.96 : 12,633,194.63 = 2,032,381.32 : x
  2. Step 2: Convert to fraction form
    8,422,128.96/12,633,194.63 = 2,032,381.32/x
  3. Step 3: Cross multiply
    8,422,128.96x = 12,633,194.63 × 2,032,381.32
  4. Step 4: Simplify right side
    8,422,128.96x = 25,675,468,767,774.41
  5. Step 5: Solve for x
    x = 25,675,468,767,774.41/8,422,128.96
  6. Step 6: Final answer
    x = 3,048,572.27

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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.