Home / 17,613,813.60-26,420,720.40-12,239,042.40

Finding the Fourth Proportional to 17,613,813.60, 26,420,720.40 and 12,239,042.40

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Solution

The fourth proportional to 17,613,813.60, 26,420,720.40 and 12,239,042.40 is: 18,358,563.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,613,813.60 : 26,420,720.40 = 12,239,042.40 : x
  2. Step 2: Convert to fraction form
    17,613,813.60/26,420,720.40 = 12,239,042.40/x
  3. Step 3: Cross multiply
    17,613,813.60x = 26,420,720.40 × 12,239,042.40
  4. Step 4: Simplify right side
    17,613,813.60x = 323,364,317,214,144.94
  5. Step 5: Solve for x
    x = 323,364,317,214,144.94/17,613,813.60
  6. Step 6: Final answer
    x = 18,358,563.60

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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.