Home / 7,188,299.16-9,919,900.88-3,925,136.67

Finding the Fourth Proportional to 7,188,299.16, 9,919,900.88 and 3,925,136.67

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Solution

The fourth proportional to 7,188,299.16, 9,919,900.88 and 3,925,136.67 is: 5,416,714.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,188,299.16 : 9,919,900.88 = 3,925,136.67 : x
  2. Step 2: Convert to fraction form
    7,188,299.16/9,919,900.88 = 3,925,136.67/x
  3. Step 3: Cross multiply
    7,188,299.16x = 9,919,900.88 × 3,925,136.67
  4. Step 4: Simplify right side
    7,188,299.16x = 38,936,966,706,853.27
  5. Step 5: Solve for x
    x = 38,936,966,706,853.27/7,188,299.16
  6. Step 6: Final answer
    x = 5,416,714.84

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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.