Home / 9,989,523.28-14,978,217.04-3,916,979.64

Finding the Fourth Proportional to 9,989,523.28, 14,978,217.04 and 3,916,979.64

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Solution

The fourth proportional to 9,989,523.28, 14,978,217.04 and 3,916,979.64 is: 5,873,090.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,989,523.28 : 14,978,217.04 = 3,916,979.64 : x
  2. Step 2: Convert to fraction form
    9,989,523.28/14,978,217.04 = 3,916,979.64/x
  3. Step 3: Cross multiply
    9,989,523.28x = 14,978,217.04 × 3,916,979.64
  4. Step 4: Simplify right side
    9,989,523.28x = 58,669,371,189,181.06
  5. Step 5: Solve for x
    x = 58,669,371,189,181.06/9,989,523.28
  6. Step 6: Final answer
    x = 5,873,090.19

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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.