Home / 14,985,354.22-20,679,788.58-8,109,836.29

Finding the Fourth Proportional to 14,985,354.22, 20,679,788.58 and 8,109,836.29

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Solution

The fourth proportional to 14,985,354.22, 20,679,788.58 and 8,109,836.29 is: 11,191,573.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,985,354.22 : 20,679,788.58 = 8,109,836.29 : x
  2. Step 2: Convert to fraction form
    14,985,354.22/20,679,788.58 = 8,109,836.29/x
  3. Step 3: Cross multiply
    14,985,354.22x = 20,679,788.58 × 8,109,836.29
  4. Step 4: Simplify right side
    14,985,354.22x = 167,709,699,895,611.56
  5. Step 5: Solve for x
    x = 167,709,699,895,611.56/14,985,354.22
  6. Step 6: Final answer
    x = 11,191,573.95

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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.