Home / 11,288,258.64-15,578,086.72-6,131,915.28

Finding the Fourth Proportional to 11,288,258.64, 15,578,086.72 and 6,131,915.28

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Solution

The fourth proportional to 11,288,258.64, 15,578,086.72 and 6,131,915.28 is: 8,462,200.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,288,258.64 : 15,578,086.72 = 6,131,915.28 : x
  2. Step 2: Convert to fraction form
    11,288,258.64/15,578,086.72 = 6,131,915.28/x
  3. Step 3: Cross multiply
    11,288,258.64x = 15,578,086.72 × 6,131,915.28
  4. Step 4: Simplify right side
    11,288,258.64x = 95,523,507,991,533.09
  5. Step 5: Solve for x
    x = 95,523,507,991,533.09/11,288,258.64
  6. Step 6: Final answer
    x = 8,462,200.51

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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.