Home / 7,843,712-11,766,245.76-2,163,936.32

Finding the Fourth Proportional to 7,843,712, 11,766,245.76 and 2,163,936.32

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Solution

The fourth proportional to 7,843,712, 11,766,245.76 and 2,163,936.32 is: 3,246,091.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,843,712 : 11,766,245.76 = 2,163,936.32 : x
  2. Step 2: Convert to fraction form
    7,843,712/11,766,245.76 = 2,163,936.32/x
  3. Step 3: Cross multiply
    7,843,712x = 11,766,245.76 × 2,163,936.32
  4. Step 4: Simplify right side
    7,843,712x = 25,461,406,550,110
  5. Step 5: Solve for x
    x = 25,461,406,550,110/7,843,712
  6. Step 6: Final answer
    x = 3,246,091.46

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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.