Home / 13,842,782.48-19,102,461.60-7,961,969.44

Finding the Fourth Proportional to 13,842,782.48, 19,102,461.60 and 7,961,969.44

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Solution

The fourth proportional to 13,842,782.48, 19,102,461.60 and 7,961,969.44 is: 10,987,185.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,842,782.48 : 19,102,461.60 = 7,961,969.44 : x
  2. Step 2: Convert to fraction form
    13,842,782.48/19,102,461.60 = 7,961,969.44/x
  3. Step 3: Cross multiply
    13,842,782.48x = 19,102,461.60 × 7,961,969.44
  4. Step 4: Simplify right side
    13,842,782.48x = 152,093,215,487,973.53
  5. Step 5: Solve for x
    x = 152,093,215,487,973.53/13,842,782.48
  6. Step 6: Final answer
    x = 10,987,185.25

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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.