Finding the Fourth Proportional to 11,878,262.40, 17,805,583.80 and 5,477,350.80
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Solution
The fourth proportional to 11,878,262.40, 17,805,583.80 and 5,477,350.80 is: 8,210,580.42
Step by Step Solution
- Step 1: Write the proportion equation
11,878,262.40 : 17,805,583.80 = 5,477,350.80 : x - Step 2: Convert to fraction form
11,878,262.40/17,805,583.80 = 5,477,350.80/x - Step 3: Cross multiply
11,878,262.40x = 17,805,583.80 × 5,477,350.80 - Step 4: Simplify right side
11,878,262.40x = 97,527,428,671,397.05 - Step 5: Solve for x
x = 97,527,428,671,397.05/11,878,262.40 - Step 6: Final answer
x = 8,210,580.42
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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.