Home / 11,290,931.19-15,578,052.21-6,395,375.43

Finding the Fourth Proportional to 11,290,931.19, 15,578,052.21 and 6,395,375.43

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Solution

The fourth proportional to 11,290,931.19, 15,578,052.21 and 6,395,375.43 is: 8,823,673.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,290,931.19 : 15,578,052.21 = 6,395,375.43 : x
  2. Step 2: Convert to fraction form
    11,290,931.19/15,578,052.21 = 6,395,375.43/x
  3. Step 3: Cross multiply
    11,290,931.19x = 15,578,052.21 × 6,395,375.43
  4. Step 4: Simplify right side
    11,290,931.19x = 99,627,492,351,091.20
  5. Step 5: Solve for x
    x = 99,627,492,351,091.20/11,290,931.19
  6. Step 6: Final answer
    x = 8,823,673.68

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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.