Finding the Fourth Proportional to 32,403,652.32, 44,695,970.10 and 20,782,809.12
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Solution
The fourth proportional to 32,403,652.32, 44,695,970.10 and 20,782,809.12 is: 28,666,762.80
Step by Step Solution
- Step 1: Write the proportion equation
32,403,652.32 : 44,695,970.10 = 20,782,809.12 : x - Step 2: Convert to fraction form
32,403,652.32/44,695,970.10 = 20,782,809.12/x - Step 3: Cross multiply
32,403,652.32x = 44,695,970.10 × 20,782,809.12 - Step 4: Simplify right side
32,403,652.32x = 928,907,815,021,527.38 - Step 5: Solve for x
x = 928,907,815,021,527.38/32,403,652.32 - Step 6: Final answer
x = 28,666,762.80
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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.