Home / 13,206,742.80-19,778,621.40-13,206,742.80

Finding the Fourth Proportional to 13,206,742.80, 19,778,621.40 and 13,206,742.80

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Solution

The fourth proportional to 13,206,742.80, 19,778,621.40 and 13,206,742.80 is: 19,778,621.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,206,742.80 : 19,778,621.40 = 13,206,742.80 : x
  2. Step 2: Convert to fraction form
    13,206,742.80/19,778,621.40 = 13,206,742.80/x
  3. Step 3: Cross multiply
    13,206,742.80x = 19,778,621.40 × 13,206,742.80
  4. Step 4: Simplify right side
    13,206,742.80x = 261,211,165,768,375.91
  5. Step 5: Solve for x
    x = 261,211,165,768,375.91/13,206,742.80
  6. Step 6: Final answer
    x = 19,778,621.40

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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.