Finding the Fourth Proportional to 30,019,394.86, 41,426,800.34 and 16,268,358.99
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Solution
The fourth proportional to 30,019,394.86, 41,426,800.34 and 16,268,358.99 is: 22,450,354.60
Step by Step Solution
- Step 1: Write the proportion equation
30,019,394.86 : 41,426,800.34 = 16,268,358.99 : x - Step 2: Convert to fraction form
30,019,394.86/41,426,800.34 = 16,268,358.99/x - Step 3: Cross multiply
30,019,394.86x = 41,426,800.34 × 16,268,358.99 - Step 4: Simplify right side
30,019,394.86x = 673,946,059,571,711 - Step 5: Solve for x
x = 673,946,059,571,711/30,019,394.86 - Step 6: Final answer
x = 22,450,354.60
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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.