Finding the Fourth Proportional to 7,743,701.84, 10,687,646.12 and 4,482,314.80
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Solution
The fourth proportional to 7,743,701.84, 10,687,646.12 and 4,482,314.80 is: 6,186,368.65
Step by Step Solution
- Step 1: Write the proportion equation
7,743,701.84 : 10,687,646.12 = 4,482,314.80 : x - Step 2: Convert to fraction form
7,743,701.84/10,687,646.12 = 4,482,314.80/x - Step 3: Cross multiply
7,743,701.84x = 10,687,646.12 × 4,482,314.80 - Step 4: Simplify right side
7,743,701.84x = 47,905,394,304,988.77 - Step 5: Solve for x
x = 47,905,394,304,988.77/7,743,701.84 - Step 6: Final answer
x = 6,186,368.65
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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.