Home / 28,293,403.25-39,044,896.89-15,416,347.25

Finding the Fourth Proportional to 28,293,403.25, 39,044,896.89 and 15,416,347.25

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Solution

The fourth proportional to 28,293,403.25, 39,044,896.89 and 15,416,347.25 is: 21,274,559.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,293,403.25 : 39,044,896.89 = 15,416,347.25 : x
  2. Step 2: Convert to fraction form
    28,293,403.25/39,044,896.89 = 15,416,347.25/x
  3. Step 3: Cross multiply
    28,293,403.25x = 39,044,896.89 × 15,416,347.25
  4. Step 4: Simplify right side
    28,293,403.25x = 601,929,688,796,685
  5. Step 5: Solve for x
    x = 601,929,688,796,685/28,293,403.25
  6. Step 6: Final answer
    x = 21,274,559.43

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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.