Home / 28,515,046.07-42,755,487.71-9,075,875.30

Finding the Fourth Proportional to 28,515,046.07, 42,755,487.71 and 9,075,875.30

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Solution

The fourth proportional to 28,515,046.07, 42,755,487.71 and 9,075,875.30 is: 13,608,376.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,515,046.07 : 42,755,487.71 = 9,075,875.30 : x
  2. Step 2: Convert to fraction form
    28,515,046.07/42,755,487.71 = 9,075,875.30/x
  3. Step 3: Cross multiply
    28,515,046.07x = 42,755,487.71 × 9,075,875.30
  4. Step 4: Simplify right side
    28,515,046.07x = 388,043,474,587,485.75
  5. Step 5: Solve for x
    x = 388,043,474,587,485.75/28,515,046.07
  6. Step 6: Final answer
    x = 13,608,376.21

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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.