Home / 30,271,190.05-45,393,499.05-12,069,335.80

Finding the Fourth Proportional to 30,271,190.05, 45,393,499.05 and 12,069,335.80

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Solution

The fourth proportional to 30,271,190.05, 45,393,499.05 and 12,069,335.80 is: 18,098,706.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,271,190.05 : 45,393,499.05 = 12,069,335.80 : x
  2. Step 2: Convert to fraction form
    30,271,190.05/45,393,499.05 = 12,069,335.80/x
  3. Step 3: Cross multiply
    30,271,190.05x = 45,393,499.05 × 12,069,335.80
  4. Step 4: Simplify right side
    30,271,190.05x = 547,869,383,171,431
  5. Step 5: Solve for x
    x = 547,869,383,171,431/30,271,190.05
  6. Step 6: Final answer
    x = 18,098,706.47

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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.