Finding the Fourth Proportional to 19,695,564.36, 27,184,413.85 and 11,549,426.76
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Solution
The fourth proportional to 19,695,564.36, 27,184,413.85 and 11,549,426.76 is: 15,940,868.26
Step by Step Solution
- Step 1: Write the proportion equation
19,695,564.36 : 27,184,413.85 = 11,549,426.76 : x - Step 2: Convert to fraction form
19,695,564.36/27,184,413.85 = 11,549,426.76/x - Step 3: Cross multiply
19,695,564.36x = 27,184,413.85 × 11,549,426.76 - Step 4: Simplify right side
19,695,564.36x = 313,964,396,745,231.06 - Step 5: Solve for x
x = 313,964,396,745,231.06/19,695,564.36 - Step 6: Final answer
x = 15,940,868.26
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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.