Home / 28,031,486.40-42,047,229.60-16,505,121.60

Finding the Fourth Proportional to 28,031,486.40, 42,047,229.60 and 16,505,121.60

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Solution

The fourth proportional to 28,031,486.40, 42,047,229.60 and 16,505,121.60 is: 24,757,682.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,031,486.40 : 42,047,229.60 = 16,505,121.60 : x
  2. Step 2: Convert to fraction form
    28,031,486.40/42,047,229.60 = 16,505,121.60/x
  3. Step 3: Cross multiply
    28,031,486.40x = 42,047,229.60 × 16,505,121.60
  4. Step 4: Simplify right side
    28,031,486.40x = 693,994,637,491,119.38
  5. Step 5: Solve for x
    x = 693,994,637,491,119.38/28,031,486.40
  6. Step 6: Final answer
    x = 24,757,682.40

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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.