Finding the Fourth Proportional to 13,220,391.03, 19,824,203.80 and 5,541,973.48
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Solution
The fourth proportional to 13,220,391.03, 19,824,203.80 and 5,541,973.48 is: 8,310,284.58
Step by Step Solution
- Step 1: Write the proportion equation
13,220,391.03 : 19,824,203.80 = 5,541,973.48 : x - Step 2: Convert to fraction form
13,220,391.03/19,824,203.80 = 5,541,973.48/x - Step 3: Cross multiply
13,220,391.03x = 19,824,203.80 × 5,541,973.48 - Step 4: Simplify right side
13,220,391.03x = 109,865,211,721,715.23 - Step 5: Solve for x
x = 109,865,211,721,715.23/13,220,391.03 - Step 6: Final answer
x = 8,310,284.58
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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.