Home / 8,670,749.91-11,938,335.62-7,361,412.18

Finding the Fourth Proportional to 8,670,749.91, 11,938,335.62 and 7,361,412.18

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Solution

The fourth proportional to 8,670,749.91, 11,938,335.62 and 7,361,412.18 is: 10,135,571.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,670,749.91 : 11,938,335.62 = 7,361,412.18 : x
  2. Step 2: Convert to fraction form
    8,670,749.91/11,938,335.62 = 7,361,412.18/x
  3. Step 3: Cross multiply
    8,670,749.91x = 11,938,335.62 × 7,361,412.18
  4. Step 4: Simplify right side
    8,670,749.91x = 87,883,009,241,995.84
  5. Step 5: Solve for x
    x = 87,883,009,241,995.84/8,670,749.91
  6. Step 6: Final answer
    x = 10,135,571.91

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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.