Finding the Fourth Proportional to 11,265,993.80, 15,547,075.56 and 6,109,353.96
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Solution
The fourth proportional to 11,265,993.80, 15,547,075.56 and 6,109,353.96 is: 8,430,910.70
Step by Step Solution
- Step 1: Write the proportion equation
11,265,993.80 : 15,547,075.56 = 6,109,353.96 : x - Step 2: Convert to fraction form
11,265,993.80/15,547,075.56 = 6,109,353.96/x - Step 3: Cross multiply
11,265,993.80x = 15,547,075.56 × 6,109,353.96 - Step 4: Simplify right side
11,265,993.80x = 94,982,587,638,905.22 - Step 5: Solve for x
x = 94,982,587,638,905.22/11,265,993.80 - Step 6: Final answer
x = 8,430,910.70
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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.