Home / 18,843,551.40-28,265,327.10-6,726,696.60

Finding the Fourth Proportional to 18,843,551.40, 28,265,327.10 and 6,726,696.60

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Solution

The fourth proportional to 18,843,551.40, 28,265,327.10 and 6,726,696.60 is: 10,090,044.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,843,551.40 : 28,265,327.10 = 6,726,696.60 : x
  2. Step 2: Convert to fraction form
    18,843,551.40/28,265,327.10 = 6,726,696.60/x
  3. Step 3: Cross multiply
    18,843,551.40x = 28,265,327.10 × 6,726,696.60
  4. Step 4: Simplify right side
    18,843,551.40x = 190,132,279,701,457.88
  5. Step 5: Solve for x
    x = 190,132,279,701,457.88/18,843,551.40
  6. Step 6: Final answer
    x = 10,090,044.90

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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.