Finding the Fourth Proportional to 7,460,656.70, 11,190,985.05 and 6,578,858.30
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Solution
The fourth proportional to 7,460,656.70, 11,190,985.05 and 6,578,858.30 is: 9,868,287.45
Step by Step Solution
- Step 1: Write the proportion equation
7,460,656.70 : 11,190,985.05 = 6,578,858.30 : x - Step 2: Convert to fraction form
7,460,656.70/11,190,985.05 = 6,578,858.30/x - Step 3: Cross multiply
7,460,656.70x = 11,190,985.05 × 6,578,858.30 - Step 4: Simplify right side
7,460,656.70x = 73,623,904,881,368.42 - Step 5: Solve for x
x = 73,623,904,881,368.42/7,460,656.70 - Step 6: Final answer
x = 9,868,287.45
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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.