Home / 13,645,388.37-18,830,493.13-7,450,415.88

Finding the Fourth Proportional to 13,645,388.37, 18,830,493.13 and 7,450,415.88

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Solution

The fourth proportional to 13,645,388.37, 18,830,493.13 and 7,450,415.88 is: 10,281,495.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,645,388.37 : 18,830,493.13 = 7,450,415.88 : x
  2. Step 2: Convert to fraction form
    13,645,388.37/18,830,493.13 = 7,450,415.88/x
  3. Step 3: Cross multiply
    13,645,388.37x = 18,830,493.13 × 7,450,415.88
  4. Step 4: Simplify right side
    13,645,388.37x = 140,295,005,076,959.23
  5. Step 5: Solve for x
    x = 140,295,005,076,959.23/13,645,388.37
  6. Step 6: Final answer
    x = 10,281,495.94

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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.