Finding the Fourth Proportional to 7,909,625.22, 10,915,368.86 and 4,646,577.48
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Solution
The fourth proportional to 7,909,625.22, 10,915,368.86 and 4,646,577.48 is: 6,412,327.48
Step by Step Solution
- Step 1: Write the proportion equation
7,909,625.22 : 10,915,368.86 = 4,646,577.48 : x - Step 2: Convert to fraction form
7,909,625.22/10,915,368.86 = 4,646,577.48/x - Step 3: Cross multiply
7,909,625.22x = 10,915,368.86 × 4,646,577.48 - Step 4: Simplify right side
7,909,625.22x = 50,719,107,130,769.27 - Step 5: Solve for x
x = 50,719,107,130,769.27/7,909,625.22 - Step 6: Final answer
x = 6,412,327.48
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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.