Finding the Fourth Proportional to 14,390,357.39, 19,858,954.16 and 7,864,262.99
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Solution
The fourth proportional to 14,390,357.39, 19,858,954.16 and 7,864,262.99 is: 10,852,825.54
Step by Step Solution
- Step 1: Write the proportion equation
14,390,357.39 : 19,858,954.16 = 7,864,262.99 : x - Step 2: Convert to fraction form
14,390,357.39/19,858,954.16 = 7,864,262.99/x - Step 3: Cross multiply
14,390,357.39x = 19,858,954.16 × 7,864,262.99 - Step 4: Simplify right side
14,390,357.39x = 156,176,038,181,273.25 - Step 5: Solve for x
x = 156,176,038,181,273.25/14,390,357.39 - Step 6: Final answer
x = 10,852,825.54
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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.