Finding the Fourth Proportional to 7,409,112.64, 11,118,412.80 and 3,999,772.48
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Solution
The fourth proportional to 7,409,112.64, 11,118,412.80 and 3,999,772.48 is: 6,002,219.66
Step by Step Solution
- Step 1: Write the proportion equation
7,409,112.64 : 11,118,412.80 = 3,999,772.48 : x - Step 2: Convert to fraction form
7,409,112.64/11,118,412.80 = 3,999,772.48/x - Step 3: Cross multiply
7,409,112.64x = 11,118,412.80 × 3,999,772.48 - Step 4: Simplify right side
7,409,112.64x = 44,471,121,538,719.75 - Step 5: Solve for x
x = 44,471,121,538,719.75/7,409,112.64 - Step 6: Final answer
x = 6,002,219.66
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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.