Finding the Fourth Proportional to 34,085,064.62, 47,038,549.97 and 20,158,357.97
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Solution
The fourth proportional to 34,085,064.62, 47,038,549.97 and 20,158,357.97 is: 27,819,220.51
Step by Step Solution
- Step 1: Write the proportion equation
34,085,064.62 : 47,038,549.97 = 20,158,357.97 : x - Step 2: Convert to fraction form
34,085,064.62/47,038,549.97 = 20,158,357.97/x - Step 3: Cross multiply
34,085,064.62x = 47,038,549.97 × 20,158,357.97 - Step 4: Simplify right side
34,085,064.62x = 948,219,928,684,992.62 - Step 5: Solve for x
x = 948,219,928,684,992.62/34,085,064.62 - Step 6: Final answer
x = 27,819,220.51
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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.