Home / 12,071,991.56-16,655,380.26-7,487,427.20

Finding the Fourth Proportional to 12,071,991.56, 16,655,380.26 and 7,487,427.20

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Solution

The fourth proportional to 12,071,991.56, 16,655,380.26 and 7,487,427.20 is: 10,330,188.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,071,991.56 : 16,655,380.26 = 7,487,427.20 : x
  2. Step 2: Convert to fraction form
    12,071,991.56/16,655,380.26 = 7,487,427.20/x
  3. Step 3: Cross multiply
    12,071,991.56x = 16,655,380.26 × 7,487,427.20
  4. Step 4: Simplify right side
    12,071,991.56x = 124,705,947,185,067.08
  5. Step 5: Solve for x
    x = 124,705,947,185,067.08/12,071,991.56
  6. Step 6: Final answer
    x = 10,330,188.40

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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.