Home / 18,741,208.20-28,090,817.10-10,658,056.20

Finding the Fourth Proportional to 18,741,208.20, 28,090,817.10 and 10,658,056.20

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Solution

The fourth proportional to 18,741,208.20, 28,090,817.10 and 10,658,056.20 is: 15,975,144.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,741,208.20 : 28,090,817.10 = 10,658,056.20 : x
  2. Step 2: Convert to fraction form
    18,741,208.20/28,090,817.10 = 10,658,056.20/x
  3. Step 3: Cross multiply
    18,741,208.20x = 28,090,817.10 × 10,658,056.20
  4. Step 4: Simplify right side
    18,741,208.20x = 299,393,507,355,721
  5. Step 5: Solve for x
    x = 299,393,507,355,721/18,741,208.20
  6. Step 6: Final answer
    x = 15,975,144.41

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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.