Finding the Fourth Proportional to 44,352,927.20, 66,529,390.80 and 20,465,055.20
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Solution
The fourth proportional to 44,352,927.20, 66,529,390.80 and 20,465,055.20 is: 30,697,582.80
Step by Step Solution
- Step 1: Write the proportion equation
44,352,927.20 : 66,529,390.80 = 20,465,055.20 : x - Step 2: Convert to fraction form
44,352,927.20/66,529,390.80 = 20,465,055.20/x - Step 3: Cross multiply
44,352,927.20x = 66,529,390.80 × 20,465,055.20 - Step 4: Simplify right side
44,352,927.20x = 1,361,527,655,144,372 - Step 5: Solve for x
x = 1,361,527,655,144,372/44,352,927.20 - Step 6: Final answer
x = 30,697,582.80
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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.