Finding the Fourth Proportional to 10,203,602.60, 14,080,971.76 and 5,619,923.84
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Solution
The fourth proportional to 10,203,602.60, 14,080,971.76 and 5,619,923.84 is: 7,755,494.99
Step by Step Solution
- Step 1: Write the proportion equation
10,203,602.60 : 14,080,971.76 = 5,619,923.84 : x - Step 2: Convert to fraction form
10,203,602.60/14,080,971.76 = 5,619,923.84/x - Step 3: Cross multiply
10,203,602.60x = 14,080,971.76 × 5,619,923.84 - Step 4: Simplify right side
10,203,602.60x = 79,133,988,884,390.75 - Step 5: Solve for x
x = 79,133,988,884,390.75/10,203,602.60 - Step 6: Final answer
x = 7,755,494.99
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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.