Finding the Fourth Proportional to 12,678,149.84, 17,495,722.71 and 6,876,848.03
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Solution
The fourth proportional to 12,678,149.84, 17,495,722.71 and 6,876,848.03 is: 9,489,982.98
Step by Step Solution
- Step 1: Write the proportion equation
12,678,149.84 : 17,495,722.71 = 6,876,848.03 : x - Step 2: Convert to fraction form
12,678,149.84/17,495,722.71 = 6,876,848.03/x - Step 3: Cross multiply
12,678,149.84x = 17,495,722.71 × 6,876,848.03 - Step 4: Simplify right side
12,678,149.84x = 120,315,426,164,211.16 - Step 5: Solve for x
x = 120,315,426,164,211.16/12,678,149.84 - Step 6: Final answer
x = 9,489,982.98
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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.