Finding the Fourth Proportional to 19,357,431.42, 26,714,016.84 and 10,656,413.65
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Solution
The fourth proportional to 19,357,431.42, 26,714,016.84 and 10,656,413.65 is: 14,706,270.04
Step by Step Solution
- Step 1: Write the proportion equation
19,357,431.42 : 26,714,016.84 = 10,656,413.65 : x - Step 2: Convert to fraction form
19,357,431.42/26,714,016.84 = 10,656,413.65/x - Step 3: Cross multiply
19,357,431.42x = 26,714,016.84 × 10,656,413.65 - Step 4: Simplify right side
19,357,431.42x = 284,675,613,700,105.88 - Step 5: Solve for x
x = 284,675,613,700,105.88/19,357,431.42 - Step 6: Final answer
x = 14,706,270.04
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1.5x scale
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.