Home / 17,323,318.20-25,984,977.30-12,452,431.80

Finding the Fourth Proportional to 17,323,318.20, 25,984,977.30 and 12,452,431.80

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Solution

The fourth proportional to 17,323,318.20, 25,984,977.30 and 12,452,431.80 is: 18,678,647.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,323,318.20 : 25,984,977.30 = 12,452,431.80 : x
  2. Step 2: Convert to fraction form
    17,323,318.20/25,984,977.30 = 12,452,431.80/x
  3. Step 3: Cross multiply
    17,323,318.20x = 25,984,977.30 × 12,452,431.80
  4. Step 4: Simplify right side
    17,323,318.20x = 323,576,157,652,798.19
  5. Step 5: Solve for x
    x = 323,576,157,652,798.19/17,323,318.20
  6. Step 6: Final answer
    x = 18,678,647.70

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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.