Home / 30,271,189.05-45,393,497.55-12,069,334.80

Finding the Fourth Proportional to 30,271,189.05, 45,393,497.55 and 12,069,334.80

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Solution

The fourth proportional to 30,271,189.05, 45,393,497.55 and 12,069,334.80 is: 18,098,704.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,271,189.05 : 45,393,497.55 = 12,069,334.80 : x
  2. Step 2: Convert to fraction form
    30,271,189.05/45,393,497.55 = 12,069,334.80/x
  3. Step 3: Cross multiply
    30,271,189.05x = 45,393,497.55 × 12,069,334.80
  4. Step 4: Simplify right side
    30,271,189.05x = 547,869,319,673,929.75
  5. Step 5: Solve for x
    x = 547,869,319,673,929.75/30,271,189.05
  6. Step 6: Final answer
    x = 18,098,704.97

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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.