Home / 38,093,421.69-57,155,273.63-12,189,714.17

Finding the Fourth Proportional to 38,093,421.69, 57,155,273.63 and 12,189,714.17

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Solution

The fourth proportional to 38,093,421.69, 57,155,273.63 and 12,189,714.17 is: 18,289,416.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,093,421.69 : 57,155,273.63 = 12,189,714.17 : x
  2. Step 2: Convert to fraction form
    38,093,421.69/57,155,273.63 = 12,189,714.17/x
  3. Step 3: Cross multiply
    38,093,421.69x = 57,155,273.63 × 12,189,714.17
  4. Step 4: Simplify right side
    38,093,421.69x = 696,706,448,556,824.75
  5. Step 5: Solve for x
    x = 696,706,448,556,824.75/38,093,421.69
  6. Step 6: Final answer
    x = 18,289,416.33

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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.