Finding the Fourth Proportional to 11,823,705.42, 16,316,706.26 and 6,391,197.42
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Solution
The fourth proportional to 11,823,705.42, 16,316,706.26 and 6,391,197.42 is: 8,819,848.53
Step by Step Solution
- Step 1: Write the proportion equation
11,823,705.42 : 16,316,706.26 = 6,391,197.42 : x - Step 2: Convert to fraction form
11,823,705.42/16,316,706.26 = 6,391,197.42/x - Step 3: Cross multiply
11,823,705.42x = 16,316,706.26 × 6,391,197.42 - Step 4: Simplify right side
11,823,705.42x = 104,283,290,919,853.86 - Step 5: Solve for x
x = 104,283,290,919,853.86/11,823,705.42 - Step 6: Final answer
x = 8,819,848.53
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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.