Home / 19,379,788.58-29,068,157.42-8,449,720.26

Finding the Fourth Proportional to 19,379,788.58, 29,068,157.42 and 8,449,720.26

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Solution

The fourth proportional to 19,379,788.58, 29,068,157.42 and 8,449,720.26 is: 12,673,915.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,379,788.58 : 29,068,157.42 = 8,449,720.26 : x
  2. Step 2: Convert to fraction form
    19,379,788.58/29,068,157.42 = 8,449,720.26/x
  3. Step 3: Cross multiply
    19,379,788.58x = 29,068,157.42 × 8,449,720.26
  4. Step 4: Simplify right side
    19,379,788.58x = 245,617,798,672,643.34
  5. Step 5: Solve for x
    x = 245,617,798,672,643.34/19,379,788.58
  6. Step 6: Final answer
    x = 12,673,915.29

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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.