Finding the Fourth Proportional to 7,455,407.12, 10,306,796.28 and 7,387,205.68
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Solution
The fourth proportional to 7,455,407.12, 10,306,796.28 and 7,387,205.68 is: 10,212,510.57
Step by Step Solution
- Step 1: Write the proportion equation
7,455,407.12 : 10,306,796.28 = 7,387,205.68 : x - Step 2: Convert to fraction form
7,455,407.12/10,306,796.28 = 7,387,205.68/x - Step 3: Cross multiply
7,455,407.12x = 10,306,796.28 × 7,387,205.68 - Step 4: Simplify right side
7,455,407.12x = 76,138,424,022,218.86 - Step 5: Solve for x
x = 76,138,424,022,218.86/7,455,407.12 - Step 6: Final answer
x = 10,212,510.57
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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.