Home / 13,501,701-18,632,522.34-7,389,998.28

Finding the Fourth Proportional to 13,501,701, 18,632,522.34 and 7,389,998.28

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Solution

The fourth proportional to 13,501,701, 18,632,522.34 and 7,389,998.28 is: 10,198,293.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,501,701 : 18,632,522.34 = 7,389,998.28 : x
  2. Step 2: Convert to fraction form
    13,501,701/18,632,522.34 = 7,389,998.28/x
  3. Step 3: Cross multiply
    13,501,701x = 18,632,522.34 × 7,389,998.28
  4. Step 4: Simplify right side
    13,501,701x = 137,694,308,044,661.58
  5. Step 5: Solve for x
    x = 137,694,308,044,661.58/13,501,701
  6. Step 6: Final answer
    x = 10,198,293.39

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Double scale
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1.5x scale

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.