Home / 28,482,708.80-42,757,240.80-17,135,969.60

Finding the Fourth Proportional to 28,482,708.80, 42,757,240.80 and 17,135,969.60

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Solution

The fourth proportional to 28,482,708.80, 42,757,240.80 and 17,135,969.60 is: 25,723,914.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,482,708.80 : 42,757,240.80 = 17,135,969.60 : x
  2. Step 2: Convert to fraction form
    28,482,708.80/42,757,240.80 = 17,135,969.60/x
  3. Step 3: Cross multiply
    28,482,708.80x = 42,757,240.80 × 17,135,969.60
  4. Step 4: Simplify right side
    28,482,708.80x = 732,686,778,528,679.75
  5. Step 5: Solve for x
    x = 732,686,778,528,679.75/28,482,708.80
  6. Step 6: Final answer
    x = 25,723,914.94

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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.