Home / 13,417,467.60-18,511,383.96-8,773,970.88

Finding the Fourth Proportional to 13,417,467.60, 18,511,383.96 and 8,773,970.88

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Solution

The fourth proportional to 13,417,467.60, 18,511,383.96 and 8,773,970.88 is: 12,104,992.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,417,467.60 : 18,511,383.96 = 8,773,970.88 : x
  2. Step 2: Convert to fraction form
    13,417,467.60/18,511,383.96 = 8,773,970.88/x
  3. Step 3: Cross multiply
    13,417,467.60x = 18,511,383.96 × 8,773,970.88
  4. Step 4: Simplify right side
    13,417,467.60x = 162,418,343,813,539.09
  5. Step 5: Solve for x
    x = 162,418,343,813,539.09/13,417,467.60
  6. Step 6: Final answer
    x = 12,104,992.44

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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.