Home / 13,839,640.58-19,099,284.22-7,959,279.35

Finding the Fourth Proportional to 13,839,640.58, 19,099,284.22 and 7,959,279.35

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Solution

The fourth proportional to 13,839,640.58, 19,099,284.22 and 7,959,279.35 is: 10,984,139.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,839,640.58 : 19,099,284.22 = 7,959,279.35 : x
  2. Step 2: Convert to fraction form
    13,839,640.58/19,099,284.22 = 7,959,279.35/x
  3. Step 3: Cross multiply
    13,839,640.58x = 19,099,284.22 × 7,959,279.35
  4. Step 4: Simplify right side
    13,839,640.58x = 152,016,538,492,026.84
  5. Step 5: Solve for x
    x = 152,016,538,492,026.84/13,839,640.58
  6. Step 6: Final answer
    x = 10,984,139.19

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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.