Home / 7,117,186.75-9,821,699.90-3,854,001.41

Finding the Fourth Proportional to 7,117,186.75, 9,821,699.90 and 3,854,001.41

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Solution

The fourth proportional to 7,117,186.75, 9,821,699.90 and 3,854,001.41 is: 5,318,512.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,117,186.75 : 9,821,699.90 = 3,854,001.41 : x
  2. Step 2: Convert to fraction form
    7,117,186.75/9,821,699.90 = 3,854,001.41/x
  3. Step 3: Cross multiply
    7,117,186.75x = 9,821,699.90 × 3,854,001.41
  4. Step 4: Simplify right side
    7,117,186.75x = 37,852,845,323,028.05
  5. Step 5: Solve for x
    x = 37,852,845,323,028.05/7,117,186.75
  6. Step 6: Final answer
    x = 5,318,512.30

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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.