Finding the Fourth Proportional to 19,663,460.70, 27,137,191.12 and 10,844,636.70
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Solution
The fourth proportional to 19,663,460.70, 27,137,191.12 and 10,844,636.70 is: 14,966,489.53
Step by Step Solution
- Step 1: Write the proportion equation
19,663,460.70 : 27,137,191.12 = 10,844,636.70 : x - Step 2: Convert to fraction form
19,663,460.70/27,137,191.12 = 10,844,636.70/x - Step 3: Cross multiply
19,663,460.70x = 27,137,191.12 × 10,844,636.70 - Step 4: Simplify right side
19,663,460.70x = 294,292,978,754,866.12 - Step 5: Solve for x
x = 294,292,978,754,866.12/19,663,460.70 - Step 6: Final answer
x = 14,966,489.53
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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.