Home / 19,483,910.80-26,888,235.60-12,620,339.36

Finding the Fourth Proportional to 19,483,910.80, 26,888,235.60 and 12,620,339.36

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Solution

The fourth proportional to 19,483,910.80, 26,888,235.60 and 12,620,339.36 is: 17,416,352.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,483,910.80 : 26,888,235.60 = 12,620,339.36 : x
  2. Step 2: Convert to fraction form
    19,483,910.80/26,888,235.60 = 12,620,339.36/x
  3. Step 3: Cross multiply
    19,483,910.80x = 26,888,235.60 × 12,620,339.36
  4. Step 4: Simplify right side
    19,483,910.80x = 339,338,658,063,633.25
  5. Step 5: Solve for x
    x = 339,338,658,063,633.25/19,483,910.80
  6. Step 6: Final answer
    x = 17,416,352.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.