Home / 28,405,016.40-42,607,524.60-19,713,003.60

Finding the Fourth Proportional to 28,405,016.40, 42,607,524.60 and 19,713,003.60

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Solution

The fourth proportional to 28,405,016.40, 42,607,524.60 and 19,713,003.60 is: 29,569,505.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,405,016.40 : 42,607,524.60 = 19,713,003.60 : x
  2. Step 2: Convert to fraction form
    28,405,016.40/42,607,524.60 = 19,713,003.60/x
  3. Step 3: Cross multiply
    28,405,016.40x = 42,607,524.60 × 19,713,003.60
  4. Step 4: Simplify right side
    28,405,016.40x = 839,922,285,826,888.62
  5. Step 5: Solve for x
    x = 839,922,285,826,888.62/28,405,016.40
  6. Step 6: Final answer
    x = 29,569,505.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.