Home / 17,658,046.40-26,487,069.60-12,556,212.80

Finding the Fourth Proportional to 17,658,046.40, 26,487,069.60 and 12,556,212.80

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Solution

The fourth proportional to 17,658,046.40, 26,487,069.60 and 12,556,212.80 is: 18,834,319.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,658,046.40 : 26,487,069.60 = 12,556,212.80 : x
  2. Step 2: Convert to fraction form
    17,658,046.40/26,487,069.60 = 12,556,212.80/x
  3. Step 3: Cross multiply
    17,658,046.40x = 26,487,069.60 × 12,556,212.80
  4. Step 4: Simplify right side
    17,658,046.40x = 332,577,282,346,010.94
  5. Step 5: Solve for x
    x = 332,577,282,346,010.94/17,658,046.40
  6. Step 6: Final answer
    x = 18,834,319.20

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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.