Finding the Fourth Proportional to 13,375,973.49, 18,458,951.84 and 7,264,445.73
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Solution
The fourth proportional to 13,375,973.49, 18,458,951.84 and 7,264,445.73 is: 10,024,993.99
Step by Step Solution
- Step 1: Write the proportion equation
13,375,973.49 : 18,458,951.84 = 7,264,445.73 : x - Step 2: Convert to fraction form
13,375,973.49/18,458,951.84 = 7,264,445.73/x - Step 3: Cross multiply
13,375,973.49x = 18,458,951.84 × 7,264,445.73 - Step 4: Simplify right side
13,375,973.49x = 134,094,053,838,041.42 - Step 5: Solve for x
x = 134,094,053,838,041.42/13,375,973.49 - Step 6: Final answer
x = 10,024,993.99
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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.