Home / 7,528,334.40-10,389,164.88-4,090,575.60

Finding the Fourth Proportional to 7,528,334.40, 10,389,164.88 and 4,090,575.60

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Solution

The fourth proportional to 7,528,334.40, 10,389,164.88 and 4,090,575.60 is: 5,645,028.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,528,334.40 : 10,389,164.88 = 4,090,575.60 : x
  2. Step 2: Convert to fraction form
    7,528,334.40/10,389,164.88 = 4,090,575.60/x
  3. Step 3: Cross multiply
    7,528,334.40x = 10,389,164.88 × 4,090,575.60
  4. Step 4: Simplify right side
    7,528,334.40x = 42,497,664,362,504.93
  5. Step 5: Solve for x
    x = 42,497,664,362,504.93/7,528,334.40
  6. Step 6: Final answer
    x = 5,645,028.78

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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.