Home / 20,118,259.62-30,178,482.93-5,740,221.78

Finding the Fourth Proportional to 20,118,259.62, 30,178,482.93 and 5,740,221.78

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Solution

The fourth proportional to 20,118,259.62, 30,178,482.93 and 5,740,221.78 is: 8,610,644.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,118,259.62 : 30,178,482.93 = 5,740,221.78 : x
  2. Step 2: Convert to fraction form
    20,118,259.62/30,178,482.93 = 5,740,221.78/x
  3. Step 3: Cross multiply
    20,118,259.62x = 30,178,482.93 × 5,740,221.78
  4. Step 4: Simplify right side
    20,118,259.62x = 173,231,185,002,144.22
  5. Step 5: Solve for x
    x = 173,231,185,002,144.22/20,118,259.62
  6. Step 6: Final answer
    x = 8,610,644.67

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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.