Home / 28,666,522.67-42,999,509.25-16,986,486.47

Finding the Fourth Proportional to 28,666,522.67, 42,999,509.25 and 16,986,486.47

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Solution

The fourth proportional to 28,666,522.67, 42,999,509.25 and 16,986,486.47 is: 25,479,566.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,666,522.67 : 42,999,509.25 = 16,986,486.47 : x
  2. Step 2: Convert to fraction form
    28,666,522.67/42,999,509.25 = 16,986,486.47/x
  3. Step 3: Cross multiply
    28,666,522.67x = 42,999,509.25 × 16,986,486.47
  4. Step 4: Simplify right side
    28,666,522.67x = 730,410,581,876,767.25
  5. Step 5: Solve for x
    x = 730,410,581,876,767.25/28,666,522.67
  6. Step 6: Final answer
    x = 25,479,566.89

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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.