Finding the Fourth Proportional to 7,442,750.79, 10,272,106.89 and 4,543,822.17
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Solution
The fourth proportional to 7,442,750.79, 10,272,106.89 and 4,543,822.17 is: 6,271,152.74
Step by Step Solution
- Step 1: Write the proportion equation
7,442,750.79 : 10,272,106.89 = 4,543,822.17 : x - Step 2: Convert to fraction form
7,442,750.79/10,272,106.89 = 4,543,822.17/x - Step 3: Cross multiply
7,442,750.79x = 10,272,106.89 × 4,543,822.17 - Step 4: Simplify right side
7,442,750.79x = 46,674,627,019,391.75 - Step 5: Solve for x
x = 46,674,627,019,391.75/7,442,750.79 - Step 6: Final answer
x = 6,271,152.74
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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.