Home / 13,676,389.58-18,873,883.92-7,796,893.22

Finding the Fourth Proportional to 13,676,389.58, 18,873,883.92 and 7,796,893.22

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Solution

The fourth proportional to 13,676,389.58, 18,873,883.92 and 7,796,893.22 is: 10,759,978.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,676,389.58 : 18,873,883.92 = 7,796,893.22 : x
  2. Step 2: Convert to fraction form
    13,676,389.58/18,873,883.92 = 7,796,893.22/x
  3. Step 3: Cross multiply
    13,676,389.58x = 18,873,883.92 × 7,796,893.22
  4. Step 4: Simplify right side
    13,676,389.58x = 147,157,657,570,915.03
  5. Step 5: Solve for x
    x = 147,157,657,570,915.03/13,676,389.58
  6. Step 6: Final answer
    x = 10,759,978.48

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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.