Finding the Fourth Proportional to 14,370,172.02, 19,827,877.05 and 8,257,419.54
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Solution
The fourth proportional to 14,370,172.02, 19,827,877.05 and 8,257,419.54 is: 11,393,537.89
Step by Step Solution
- Step 1: Write the proportion equation
14,370,172.02 : 19,827,877.05 = 8,257,419.54 : x - Step 2: Convert to fraction form
14,370,172.02/19,827,877.05 = 8,257,419.54/x - Step 3: Cross multiply
14,370,172.02x = 19,827,877.05 × 8,257,419.54 - Step 4: Simplify right side
14,370,172.02x = 163,727,099,389,387.56 - Step 5: Solve for x
x = 163,727,099,389,387.56/14,370,172.02 - Step 6: Final answer
x = 11,393,537.89
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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.