Finding the Fourth Proportional to 47,477,906.80, 71,206,894.50 and 13,391,281.06
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Solution
The fourth proportional to 47,477,906.80, 71,206,894.50 and 13,391,281.06 is: 20,084,110.74
Step by Step Solution
- Step 1: Write the proportion equation
47,477,906.80 : 71,206,894.50 = 13,391,281.06 : x - Step 2: Convert to fraction form
47,477,906.80/71,206,894.50 = 13,391,281.06/x - Step 3: Cross multiply
47,477,906.80x = 71,206,894.50 × 13,391,281.06 - Step 4: Simplify right side
47,477,906.80x = 953,551,537,659,268.25 - Step 5: Solve for x
x = 953,551,537,659,268.25/47,477,906.80 - Step 6: Final answer
x = 20,084,110.74
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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.