Home / 28,908,106.74-43,364,708.91-8,158,729.68

Finding the Fourth Proportional to 28,908,106.74, 43,364,708.91 and 8,158,729.68

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Solution

The fourth proportional to 28,908,106.74, 43,364,708.91 and 8,158,729.68 is: 12,238,813.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,908,106.74 : 43,364,708.91 = 8,158,729.68 : x
  2. Step 2: Convert to fraction form
    28,908,106.74/43,364,708.91 = 8,158,729.68/x
  3. Step 3: Cross multiply
    28,908,106.74x = 43,364,708.91 × 8,158,729.68
  4. Step 4: Simplify right side
    28,908,106.74x = 353,800,937,648,577.44
  5. Step 5: Solve for x
    x = 353,800,937,648,577.44/28,908,106.74
  6. Step 6: Final answer
    x = 12,238,813.87

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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.