Home / 12,589,960.10-18,884,940.15-12,589,960.10

Finding the Fourth Proportional to 12,589,960.10, 18,884,940.15 and 12,589,960.10

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Solution

The fourth proportional to 12,589,960.10, 18,884,940.15 and 12,589,960.10 is: 18,884,940.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,589,960.10 : 18,884,940.15 = 12,589,960.10 : x
  2. Step 2: Convert to fraction form
    12,589,960.10/18,884,940.15 = 12,589,960.10/x
  3. Step 3: Cross multiply
    12,589,960.10x = 18,884,940.15 × 12,589,960.10
  4. Step 4: Simplify right side
    12,589,960.10x = 237,760,642,979,388
  5. Step 5: Solve for x
    x = 237,760,642,979,388/12,589,960.10
  6. Step 6: Final answer
    x = 18,884,940.15

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1.5x scale

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.