Home / 30,617,999.70-45,926,999.55-17,153,078.10

Finding the Fourth Proportional to 30,617,999.70, 45,926,999.55 and 17,153,078.10

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Solution

The fourth proportional to 30,617,999.70, 45,926,999.55 and 17,153,078.10 is: 25,729,617.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,617,999.70 : 45,926,999.55 = 17,153,078.10 : x
  2. Step 2: Convert to fraction form
    30,617,999.70/45,926,999.55 = 17,153,078.10/x
  3. Step 3: Cross multiply
    30,617,999.70x = 45,926,999.55 × 17,153,078.10
  4. Step 4: Simplify right side
    30,617,999.70x = 787,789,410,179,814.88
  5. Step 5: Solve for x
    x = 787,789,410,179,814.88/30,617,999.70
  6. Step 6: Final answer
    x = 25,729,617.15

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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.