Finding the Fourth Proportional to 13,290,888.96, 19,939,695.93 and 3,706,268.49
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Solution
The fourth proportional to 13,290,888.96, 19,939,695.93 and 3,706,268.49 is: 5,560,340.39
Step by Step Solution
- Step 1: Write the proportion equation
13,290,888.96 : 19,939,695.93 = 3,706,268.49 : x - Step 2: Convert to fraction form
13,290,888.96/19,939,695.93 = 3,706,268.49/x - Step 3: Cross multiply
13,290,888.96x = 19,939,695.93 × 3,706,268.49 - Step 4: Simplify right side
13,290,888.96x = 73,901,866,725,540.25 - Step 5: Solve for x
x = 73,901,866,725,540.25/13,290,888.96 - Step 6: Final answer
x = 5,560,340.39
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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.