Finding the Fourth Proportional to 13,375,971.84, 18,458,949.61 and 7,264,444.08
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Solution
The fourth proportional to 13,375,971.84, 18,458,949.61 and 7,264,444.08 is: 10,024,991.74
Step by Step Solution
- Step 1: Write the proportion equation
13,375,971.84 : 18,458,949.61 = 7,264,444.08 : x - Step 2: Convert to fraction form
13,375,971.84/18,458,949.61 = 7,264,444.08/x - Step 3: Cross multiply
13,375,971.84x = 18,458,949.61 × 7,264,444.08 - Step 4: Simplify right side
13,375,971.84x = 134,094,007,106,926.97 - Step 5: Solve for x
x = 134,094,007,106,926.97/13,375,971.84 - Step 6: Final answer
x = 10,024,991.74
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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.