Home / 30,297,811.68-41,812,011.88-17,918,516.88

Finding the Fourth Proportional to 30,297,811.68, 41,812,011.88 and 17,918,516.88

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Solution

The fourth proportional to 30,297,811.68, 41,812,011.88 and 17,918,516.88 is: 24,728,163.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,297,811.68 : 41,812,011.88 = 17,918,516.88 : x
  2. Step 2: Convert to fraction form
    30,297,811.68/41,812,011.88 = 17,918,516.88/x
  3. Step 3: Cross multiply
    30,297,811.68x = 41,812,011.88 × 17,918,516.88
  4. Step 4: Simplify right side
    30,297,811.68x = 749,209,240,658,540.50
  5. Step 5: Solve for x
    x = 749,209,240,658,540.50/30,297,811.68
  6. Step 6: Final answer
    x = 24,728,163.49

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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.