Finding the Fourth Proportional to 7,814,347.01, 10,780,363.77 and 4,715,141.75
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Solution
The fourth proportional to 7,814,347.01, 10,780,363.77 and 4,715,141.75 is: 6,504,822.89
Step by Step Solution
- Step 1: Write the proportion equation
7,814,347.01 : 10,780,363.77 = 4,715,141.75 : x - Step 2: Convert to fraction form
7,814,347.01/10,780,363.77 = 4,715,141.75/x - Step 3: Cross multiply
7,814,347.01x = 10,780,363.77 × 4,715,141.75 - Step 4: Simplify right side
7,814,347.01x = 50,830,943,292,114.40 - Step 5: Solve for x
x = 50,830,943,292,114.40/7,814,347.01 - Step 6: Final answer
x = 6,504,822.89
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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.