Home / 22,129,644-30,539,448.72-12,339,992.64

Finding the Fourth Proportional to 22,129,644, 30,539,448.72 and 12,339,992.64

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Solution

The fourth proportional to 22,129,644, 30,539,448.72 and 12,339,992.64 is: 17,029,490.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,129,644 : 30,539,448.72 = 12,339,992.64 : x
  2. Step 2: Convert to fraction form
    22,129,644/30,539,448.72 = 12,339,992.64/x
  3. Step 3: Cross multiply
    22,129,644x = 30,539,448.72 × 12,339,992.64
  4. Step 4: Simplify right side
    22,129,644x = 376,856,572,434,457.44
  5. Step 5: Solve for x
    x = 376,856,572,434,457.44/22,129,644
  6. Step 6: Final answer
    x = 17,029,490.96

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1.5x scale

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.