Home / 26,409,140.40-39,613,710.60-18,189,519.60

Finding the Fourth Proportional to 26,409,140.40, 39,613,710.60 and 18,189,519.60

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Solution

The fourth proportional to 26,409,140.40, 39,613,710.60 and 18,189,519.60 is: 27,284,279.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,409,140.40 : 39,613,710.60 = 18,189,519.60 : x
  2. Step 2: Convert to fraction form
    26,409,140.40/39,613,710.60 = 18,189,519.60/x
  3. Step 3: Cross multiply
    26,409,140.40x = 39,613,710.60 × 18,189,519.60
  4. Step 4: Simplify right side
    26,409,140.40x = 720,554,365,387,427.88
  5. Step 5: Solve for x
    x = 720,554,365,387,427.88/26,409,140.40
  6. Step 6: Final answer
    x = 27,284,279.40

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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.