Finding the Fourth Proportional to 11,100,772.64, 15,319,402.80 and 6,206,200.94
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Solution
The fourth proportional to 11,100,772.64, 15,319,402.80 and 6,206,200.94 is: 8,564,745.46
Step by Step Solution
- Step 1: Write the proportion equation
11,100,772.64 : 15,319,402.80 = 6,206,200.94 : x - Step 2: Convert to fraction form
11,100,772.64/15,319,402.80 = 6,206,200.94/x - Step 3: Cross multiply
11,100,772.64x = 15,319,402.80 × 6,206,200.94 - Step 4: Simplify right side
11,100,772.64x = 95,075,292,057,598.64 - Step 5: Solve for x
x = 95,075,292,057,598.64/11,100,772.64 - Step 6: Final answer
x = 8,564,745.46
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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.