Home / 23,100,100.60-31,878,139.44-12,786,823.68

Finding the Fourth Proportional to 23,100,100.60, 31,878,139.44 and 12,786,823.68

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Solution

The fourth proportional to 23,100,100.60, 31,878,139.44 and 12,786,823.68 is: 17,645,817.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,100,100.60 : 31,878,139.44 = 12,786,823.68 : x
  2. Step 2: Convert to fraction form
    23,100,100.60/31,878,139.44 = 12,786,823.68/x
  3. Step 3: Cross multiply
    23,100,100.60x = 31,878,139.44 × 12,786,823.68
  4. Step 4: Simplify right side
    23,100,100.60x = 407,620,148,265,733.94
  5. Step 5: Solve for x
    x = 407,620,148,265,733.94/23,100,100.60
  6. Step 6: Final answer
    x = 17,645,817.02

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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.