Finding the Fourth Proportional to 9,503,384.13, 13,125,495.15 and 6,442,283.97
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Solution
The fourth proportional to 9,503,384.13, 13,125,495.15 and 6,442,283.97 is: 8,897,690.11
Step by Step Solution
- Step 1: Write the proportion equation
9,503,384.13 : 13,125,495.15 = 6,442,283.97 : x - Step 2: Convert to fraction form
9,503,384.13/13,125,495.15 = 6,442,283.97/x - Step 3: Cross multiply
9,503,384.13x = 13,125,495.15 × 6,442,283.97 - Step 4: Simplify right side
9,503,384.13x = 84,558,167,003,157.75 - Step 5: Solve for x
x = 84,558,167,003,157.75/9,503,384.13 - Step 6: Final answer
x = 8,897,690.11
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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.