Home / 14,374,866.88-19,839,055.85-8,181,419.50

Finding the Fourth Proportional to 14,374,866.88, 19,839,055.85 and 8,181,419.50

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Solution

The fourth proportional to 14,374,866.88, 19,839,055.85 and 8,181,419.50 is: 11,291,348.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,374,866.88 : 19,839,055.85 = 8,181,419.50 : x
  2. Step 2: Convert to fraction form
    14,374,866.88/19,839,055.85 = 8,181,419.50/x
  3. Step 3: Cross multiply
    14,374,866.88x = 19,839,055.85 × 8,181,419.50
  4. Step 4: Simplify right side
    14,374,866.88x = 162,311,638,392,779.09
  5. Step 5: Solve for x
    x = 162,311,638,392,779.09/14,374,866.88
  6. Step 6: Final answer
    x = 11,291,348.97

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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.