Home / 13,542,153.90-20,314,771.58-4,910,319.78

Finding the Fourth Proportional to 13,542,153.90, 20,314,771.58 and 4,910,319.78

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Solution

The fourth proportional to 13,542,153.90, 20,314,771.58 and 4,910,319.78 is: 7,366,038.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,542,153.90 : 20,314,771.58 = 4,910,319.78 : x
  2. Step 2: Convert to fraction form
    13,542,153.90/20,314,771.58 = 4,910,319.78/x
  3. Step 3: Cross multiply
    13,542,153.90x = 20,314,771.58 × 4,910,319.78
  4. Step 4: Simplify right side
    13,542,153.90x = 99,752,024,715,455.84
  5. Step 5: Solve for x
    x = 99,752,024,715,455.84/13,542,153.90
  6. Step 6: Final answer
    x = 7,366,038.33

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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.