Home / 8,378,118.44-11,561,956.57-4,657,298.79

Finding the Fourth Proportional to 8,378,118.44, 11,561,956.57 and 4,657,298.79

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Solution

The fourth proportional to 8,378,118.44, 11,561,956.57 and 4,657,298.79 is: 6,427,157.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,378,118.44 : 11,561,956.57 = 4,657,298.79 : x
  2. Step 2: Convert to fraction form
    8,378,118.44/11,561,956.57 = 4,657,298.79/x
  3. Step 3: Cross multiply
    8,378,118.44x = 11,561,956.57 × 4,657,298.79
  4. Step 4: Simplify right side
    8,378,118.44x = 53,847,486,343,493.55
  5. Step 5: Solve for x
    x = 53,847,486,343,493.55/8,378,118.44
  6. Step 6: Final answer
    x = 6,427,157.45

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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.