Finding the Fourth Proportional to 10,763,977.84, 14,857,888.92 and 6,414,428.08
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Solution
The fourth proportional to 10,763,977.84, 14,857,888.92 and 6,414,428.08 is: 8,854,055.75
Step by Step Solution
- Step 1: Write the proportion equation
10,763,977.84 : 14,857,888.92 = 6,414,428.08 : x - Step 2: Convert to fraction form
10,763,977.84/14,857,888.92 = 6,414,428.08/x - Step 3: Cross multiply
10,763,977.84x = 14,857,888.92 × 6,414,428.08 - Step 4: Simplify right side
10,763,977.84x = 95,304,859,897,968.88 - Step 5: Solve for x
x = 95,304,859,897,968.88/10,763,977.84 - Step 6: Final answer
x = 8,854,055.75
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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.