Home / 28,531,774.07-39,377,562.35-15,977,610.15

Finding the Fourth Proportional to 28,531,774.07, 39,377,562.35 and 15,977,610.15

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Solution

The fourth proportional to 28,531,774.07, 39,377,562.35 and 15,977,610.15 is: 22,051,181.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,531,774.07 : 39,377,562.35 = 15,977,610.15 : x
  2. Step 2: Convert to fraction form
    28,531,774.07/39,377,562.35 = 15,977,610.15/x
  3. Step 3: Cross multiply
    28,531,774.07x = 39,377,562.35 × 15,977,610.15
  4. Step 4: Simplify right side
    28,531,774.07x = 629,159,339,658,063.88
  5. Step 5: Solve for x
    x = 629,159,339,658,063.88/28,531,774.07
  6. Step 6: Final answer
    x = 22,051,181.89

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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.