Finding the Fourth Proportional to 15,073,465.09, 20,800,781.49 and 8,197,952.62
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Solution
The fourth proportional to 15,073,465.09, 20,800,781.49 and 8,197,952.62 is: 11,312,848.11
Step by Step Solution
- Step 1: Write the proportion equation
15,073,465.09 : 20,800,781.49 = 8,197,952.62 : x - Step 2: Convert to fraction form
15,073,465.09/20,800,781.49 = 8,197,952.62/x - Step 3: Cross multiply
15,073,465.09x = 20,800,781.49 × 8,197,952.62 - Step 4: Simplify right side
15,073,465.09x = 170,523,821,004,058.31 - Step 5: Solve for x
x = 170,523,821,004,058.31/15,073,465.09 - Step 6: Final answer
x = 11,312,848.11
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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.