Finding the Fourth Proportional to 51,478,637.62, 71,040,277.31 and 27,957,009.75
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Solution
The fourth proportional to 51,478,637.62, 71,040,277.31 and 27,957,009.75 is: 38,580,541.70
Step by Step Solution
- Step 1: Write the proportion equation
51,478,637.62 : 71,040,277.31 = 27,957,009.75 : x - Step 2: Convert to fraction form
51,478,637.62/71,040,277.31 = 27,957,009.75/x - Step 3: Cross multiply
51,478,637.62x = 71,040,277.31 × 27,957,009.75 - Step 4: Simplify right side
51,478,637.62x = 1,986,073,725,549,047.25 - Step 5: Solve for x
x = 1,986,073,725,549,047.25/51,478,637.62 - Step 6: Final answer
x = 38,580,541.70
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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.