Home / 28,082,649.45-42,048,280.69-18,343,144.29

Finding the Fourth Proportional to 28,082,649.45, 42,048,280.69 and 18,343,144.29

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Solution

The fourth proportional to 28,082,649.45, 42,048,280.69 and 18,343,144.29 is: 27,465,274.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,082,649.45 : 42,048,280.69 = 18,343,144.29 : x
  2. Step 2: Convert to fraction form
    28,082,649.45/42,048,280.69 = 18,343,144.29/x
  3. Step 3: Cross multiply
    28,082,649.45x = 42,048,280.69 × 18,343,144.29
  4. Step 4: Simplify right side
    28,082,649.45x = 771,297,679,797,232.88
  5. Step 5: Solve for x
    x = 771,297,679,797,232.88/28,082,649.45
  6. Step 6: Final answer
    x = 27,465,274.64

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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.