Home / 28,455,985.89-39,274,580.43-16,232,842.89

Finding the Fourth Proportional to 28,455,985.89, 39,274,580.43 and 16,232,842.89

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Solution

The fourth proportional to 28,455,985.89, 39,274,580.43 and 16,232,842.89 is: 22,404,357.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,455,985.89 : 39,274,580.43 = 16,232,842.89 : x
  2. Step 2: Convert to fraction form
    28,455,985.89/39,274,580.43 = 16,232,842.89/x
  3. Step 3: Cross multiply
    28,455,985.89x = 39,274,580.43 × 16,232,842.89
  4. Step 4: Simplify right side
    28,455,985.89x = 637,538,093,690,858.62
  5. Step 5: Solve for x
    x = 637,538,093,690,858.62/28,455,985.89
  6. Step 6: Final answer
    x = 22,404,357.95

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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.