Finding the Fourth Proportional to 32,403,643.32, 44,695,957.68 and 20,782,800.12
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Solution
The fourth proportional to 32,403,643.32, 44,695,957.68 and 20,782,800.12 is: 28,666,750.39
Step by Step Solution
- Step 1: Write the proportion equation
32,403,643.32 : 44,695,957.68 = 20,782,800.12 : x - Step 2: Convert to fraction form
32,403,643.32/44,695,957.68 = 20,782,800.12/x - Step 3: Cross multiply
32,403,643.32x = 44,695,957.68 × 20,782,800.12 - Step 4: Simplify right side
32,403,643.32x = 928,907,154,635,419 - Step 5: Solve for x
x = 928,907,154,635,419/32,403,643.32 - Step 6: Final answer
x = 28,666,750.39
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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.