Finding the Fourth Proportional to 57,798,734.62, 86,637,413.13 and 19,446,935.26
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Solution
The fourth proportional to 57,798,734.62, 86,637,413.13 and 19,446,935.26 is: 29,149,983.56
Step by Step Solution
- Step 1: Write the proportion equation
57,798,734.62 : 86,637,413.13 = 19,446,935.26 : x - Step 2: Convert to fraction form
57,798,734.62/86,637,413.13 = 19,446,935.26/x - Step 3: Cross multiply
57,798,734.62x = 86,637,413.13 × 19,446,935.26 - Step 4: Simplify right side
57,798,734.62x = 1,684,832,164,232,984 - Step 5: Solve for x
x = 1,684,832,164,232,984/57,798,734.62 - Step 6: Final answer
x = 29,149,983.56
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.