Finding the Fourth Proportional to 14,427,287.48, 19,909,413.42 and 7,988,621.24
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Solution
The fourth proportional to 14,427,287.48, 19,909,413.42 and 7,988,621.24 is: 11,024,162.59
Step by Step Solution
- Step 1: Write the proportion equation
14,427,287.48 : 19,909,413.42 = 7,988,621.24 : x - Step 2: Convert to fraction form
14,427,287.48/19,909,413.42 = 7,988,621.24/x - Step 3: Cross multiply
14,427,287.48x = 19,909,413.42 × 7,988,621.24 - Step 4: Simplify right side
14,427,287.48x = 159,048,762,922,953.06 - Step 5: Solve for x
x = 159,048,762,922,953.06/14,427,287.48 - Step 6: Final answer
x = 11,024,162.59
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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.