Home / 28,515,044.57-42,755,485.46-9,075,873.80

Finding the Fourth Proportional to 28,515,044.57, 42,755,485.46 and 9,075,873.80

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Solution

The fourth proportional to 28,515,044.57, 42,755,485.46 and 9,075,873.80 is: 13,608,373.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,515,044.57 : 42,755,485.46 = 9,075,873.80 : x
  2. Step 2: Convert to fraction form
    28,515,044.57/42,755,485.46 = 9,075,873.80/x
  3. Step 3: Cross multiply
    28,515,044.57x = 42,755,485.46 × 9,075,873.80
  4. Step 4: Simplify right side
    28,515,044.57x = 388,043,390,033,538.12
  5. Step 5: Solve for x
    x = 388,043,390,033,538.12/28,515,044.57
  6. Step 6: Final answer
    x = 13,608,373.96

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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.