Finding the Fourth Proportional to 14,207,559.75, 21,316,708.29 and 8,531,740.71
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Solution
The fourth proportional to 14,207,559.75, 21,316,708.29 and 8,531,740.71 is: 12,800,834.99
Step by Step Solution
- Step 1: Write the proportion equation
14,207,559.75 : 21,316,708.29 = 8,531,740.71 : x - Step 2: Convert to fraction form
14,207,559.75/21,316,708.29 = 8,531,740.71/x - Step 3: Cross multiply
14,207,559.75x = 21,316,708.29 × 8,531,740.71 - Step 4: Simplify right side
14,207,559.75x = 181,868,627,920,987.50 - Step 5: Solve for x
x = 181,868,627,920,987.50/14,207,559.75 - Step 6: Final answer
x = 12,800,834.99
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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.