Home / 27,008,166.45-40,512,189.69-20,869,074.90

Finding the Fourth Proportional to 27,008,166.45, 40,512,189.69 and 20,869,074.90

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Solution

The fourth proportional to 27,008,166.45, 40,512,189.69 and 20,869,074.90 is: 31,303,566.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,008,166.45 : 40,512,189.69 = 20,869,074.90 : x
  2. Step 2: Convert to fraction form
    27,008,166.45/40,512,189.69 = 20,869,074.90/x
  3. Step 3: Cross multiply
    27,008,166.45x = 40,512,189.69 × 20,869,074.90
  4. Step 4: Simplify right side
    27,008,166.45x = 845,451,921,003,617.62
  5. Step 5: Solve for x
    x = 845,451,921,003,617.62/27,008,166.45
  6. Step 6: Final answer
    x = 31,303,566.00

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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.