Home / 28,878,311.60-43,317,467.40-11,851,204.40

Finding the Fourth Proportional to 28,878,311.60, 43,317,467.40 and 11,851,204.40

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Solution

The fourth proportional to 28,878,311.60, 43,317,467.40 and 11,851,204.40 is: 17,776,806.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,878,311.60 : 43,317,467.40 = 11,851,204.40 : x
  2. Step 2: Convert to fraction form
    28,878,311.60/43,317,467.40 = 11,851,204.40/x
  3. Step 3: Cross multiply
    28,878,311.60x = 43,317,467.40 × 11,851,204.40
  4. Step 4: Simplify right side
    28,878,311.60x = 513,364,160,247,736.56
  5. Step 5: Solve for x
    x = 513,364,160,247,736.56/28,878,311.60
  6. Step 6: Final answer
    x = 17,776,806.60

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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.