Finding the Fourth Proportional to 40,242,220.12, 60,322,967.88 and 18,691,957.09
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Solution
The fourth proportional to 40,242,220.12, 60,322,967.88 and 18,691,957.09 is: 28,019,187.90
Step by Step Solution
- Step 1: Write the proportion equation
40,242,220.12 : 60,322,967.88 = 18,691,957.09 : x - Step 2: Convert to fraction form
40,242,220.12/60,322,967.88 = 18,691,957.09/x - Step 3: Cross multiply
40,242,220.12x = 60,322,967.88 × 18,691,957.09 - Step 4: Simplify right side
40,242,220.12x = 1,127,554,327,154,408.25 - Step 5: Solve for x
x = 1,127,554,327,154,408.25/40,242,220.12 - Step 6: Final answer
x = 28,019,187.90
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.