Finding the Fourth Proportional to 14,473,153.11, 19,973,236.95 and 7,946,725.47
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Solution
The fourth proportional to 14,473,153.11, 19,973,236.95 and 7,946,725.47 is: 10,966,637.99
Step by Step Solution
- Step 1: Write the proportion equation
14,473,153.11 : 19,973,236.95 = 7,946,725.47 : x - Step 2: Convert to fraction form
14,473,153.11/19,973,236.95 = 7,946,725.47/x - Step 3: Cross multiply
14,473,153.11x = 19,973,236.95 × 7,946,725.47 - Step 4: Simplify right side
14,473,153.11x = 158,721,830,788,910.09 - Step 5: Solve for x
x = 158,721,830,788,910.09/14,473,153.11 - Step 6: Final answer
x = 10,966,637.99
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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.