Finding the Fourth Proportional to 14,292,696.49, 19,724,045.92 and 7,766,325.76
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Solution
The fourth proportional to 14,292,696.49, 19,724,045.92 and 7,766,325.76 is: 10,717,597.35
Step by Step Solution
- Step 1: Write the proportion equation
14,292,696.49 : 19,724,045.92 = 7,766,325.76 : x - Step 2: Convert to fraction form
14,292,696.49/19,724,045.92 = 7,766,325.76/x - Step 3: Cross multiply
14,292,696.49x = 19,724,045.92 × 7,766,325.76 - Step 4: Simplify right side
14,292,696.49x = 153,183,365,919,918.91 - Step 5: Solve for x
x = 153,183,365,919,918.91/14,292,696.49 - Step 6: Final answer
x = 10,717,597.35
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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.