Home / 19,157,081.40-28,735,622.10-17,078,556.60

Finding the Fourth Proportional to 19,157,081.40, 28,735,622.10 and 17,078,556.60

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Solution

The fourth proportional to 19,157,081.40, 28,735,622.10 and 17,078,556.60 is: 25,617,834.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,157,081.40 : 28,735,622.10 = 17,078,556.60 : x
  2. Step 2: Convert to fraction form
    19,157,081.40/28,735,622.10 = 17,078,556.60/x
  3. Step 3: Cross multiply
    19,157,081.40x = 28,735,622.10 × 17,078,556.60
  4. Step 4: Simplify right side
    19,157,081.40x = 490,762,948,471,060.94
  5. Step 5: Solve for x
    x = 490,762,948,471,060.94/19,157,081.40
  6. Step 6: Final answer
    x = 25,617,834.90

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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.