Finding the Fourth Proportional to 21,348,306.73, 32,029,545.98 and 6,971,843.53
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Solution
The fourth proportional to 21,348,306.73, 32,029,545.98 and 6,971,843.53 is: 10,460,079.37
Step by Step Solution
- Step 1: Write the proportion equation
21,348,306.73 : 32,029,545.98 = 6,971,843.53 : x - Step 2: Convert to fraction form
21,348,306.73/32,029,545.98 = 6,971,843.53/x - Step 3: Cross multiply
21,348,306.73x = 32,029,545.98 × 6,971,843.53 - Step 4: Simplify right side
21,348,306.73x = 223,304,982,909,500.53 - Step 5: Solve for x
x = 223,304,982,909,500.53/21,348,306.73 - Step 6: Final answer
x = 10,460,079.37
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.