Home / 20,489,175.60-30,733,763.40-19,313,444.40

Finding the Fourth Proportional to 20,489,175.60, 30,733,763.40 and 19,313,444.40

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Solution

The fourth proportional to 20,489,175.60, 30,733,763.40 and 19,313,444.40 is: 28,970,166.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,489,175.60 : 30,733,763.40 = 19,313,444.40 : x
  2. Step 2: Convert to fraction form
    20,489,175.60/30,733,763.40 = 19,313,444.40/x
  3. Step 3: Cross multiply
    20,489,175.60x = 30,733,763.40 × 19,313,444.40
  4. Step 4: Simplify right side
    20,489,175.60x = 593,574,830,628,654.88
  5. Step 5: Solve for x
    x = 593,574,830,628,654.88/20,489,175.60
  6. Step 6: Final answer
    x = 28,970,166.60

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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.