Home / 28,515,047.82-42,755,490.33-9,075,877.04

Finding the Fourth Proportional to 28,515,047.82, 42,755,490.33 and 9,075,877.04

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Solution

The fourth proportional to 28,515,047.82, 42,755,490.33 and 9,075,877.04 is: 13,608,378.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,515,047.82 : 42,755,490.33 = 9,075,877.04 : x
  2. Step 2: Convert to fraction form
    28,515,047.82/42,755,490.33 = 9,075,877.04/x
  3. Step 3: Cross multiply
    28,515,047.82x = 42,755,490.33 × 9,075,877.04
  4. Step 4: Simplify right side
    28,515,047.82x = 388,043,573,019,988.94
  5. Step 5: Solve for x
    x = 388,043,573,019,988.94/28,515,047.82
  6. Step 6: Final answer
    x = 13,608,378.83

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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.