Home / 17,237,720.70-25,856,581.05-16,985,778.30

Finding the Fourth Proportional to 17,237,720.70, 25,856,581.05 and 16,985,778.30

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Solution

The fourth proportional to 17,237,720.70, 25,856,581.05 and 16,985,778.30 is: 25,478,667.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,237,720.70 : 25,856,581.05 = 16,985,778.30 : x
  2. Step 2: Convert to fraction form
    17,237,720.70/25,856,581.05 = 16,985,778.30/x
  3. Step 3: Cross multiply
    17,237,720.70x = 25,856,581.05 × 16,985,778.30
  4. Step 4: Simplify right side
    17,237,720.70x = 439,194,153,311,281.25
  5. Step 5: Solve for x
    x = 439,194,153,311,281.25/17,237,720.70
  6. Step 6: Final answer
    x = 25,478,667.45

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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.