Finding the Fourth Proportional to 39,873,203.20, 59,809,804.80 and 19,717,811.20
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Solution
The fourth proportional to 39,873,203.20, 59,809,804.80 and 19,717,811.20 is: 29,576,716.80
Step by Step Solution
- Step 1: Write the proportion equation
39,873,203.20 : 59,809,804.80 = 19,717,811.20 : x - Step 2: Convert to fraction form
39,873,203.20/59,809,804.80 = 19,717,811.20/x - Step 3: Cross multiply
39,873,203.20x = 59,809,804.80 × 19,717,811.20 - Step 4: Simplify right side
39,873,203.20x = 1,179,318,438,955,253.75 - Step 5: Solve for x
x = 1,179,318,438,955,253.75/39,873,203.20 - Step 6: Final answer
x = 29,576,716.80
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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.