Home / 13,319,276.94-18,380,602.20-7,207,705.44

Finding the Fourth Proportional to 13,319,276.94, 18,380,602.20 and 7,207,705.44

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Solution

The fourth proportional to 13,319,276.94, 18,380,602.20 and 7,207,705.44 is: 9,946,633.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,319,276.94 : 18,380,602.20 = 7,207,705.44 : x
  2. Step 2: Convert to fraction form
    13,319,276.94/18,380,602.20 = 7,207,705.44/x
  3. Step 3: Cross multiply
    13,319,276.94x = 18,380,602.20 × 7,207,705.44
  4. Step 4: Simplify right side
    13,319,276.94x = 132,481,966,467,415.97
  5. Step 5: Solve for x
    x = 132,481,966,467,415.97/13,319,276.94
  6. Step 6: Final answer
    x = 9,946,633.52

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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.