Finding the Fourth Proportional to 8,686,518.04, 11,982,414.50 and 5,417,657.63
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Solution
The fourth proportional to 8,686,518.04, 11,982,414.50 and 5,417,657.63 is: 7,473,261.33
Step by Step Solution
- Step 1: Write the proportion equation
8,686,518.04 : 11,982,414.50 = 5,417,657.63 : x - Step 2: Convert to fraction form
8,686,518.04/11,982,414.50 = 5,417,657.63/x - Step 3: Cross multiply
8,686,518.04x = 11,982,414.50 × 5,417,657.63 - Step 4: Simplify right side
8,686,518.04x = 64,916,619,341,747.63 - Step 5: Solve for x
x = 64,916,619,341,747.63/8,686,518.04 - Step 6: Final answer
x = 7,473,261.33
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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.