Home / 28,895,412.40-39,874,145.10-16,503,069.52

Finding the Fourth Proportional to 28,895,412.40, 39,874,145.10 and 16,503,069.52

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Solution

The fourth proportional to 28,895,412.40, 39,874,145.10 and 16,503,069.52 is: 22,773,365.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,895,412.40 : 39,874,145.10 = 16,503,069.52 : x
  2. Step 2: Convert to fraction form
    28,895,412.40/39,874,145.10 = 16,503,069.52/x
  3. Step 3: Cross multiply
    28,895,412.40x = 39,874,145.10 × 16,503,069.52
  4. Step 4: Simplify right side
    28,895,412.40x = 658,045,788,635,867.38
  5. Step 5: Solve for x
    x = 658,045,788,635,867.38/28,895,412.40
  6. Step 6: Final answer
    x = 22,773,365.53

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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.