Finding the Fourth Proportional to 10,053,056.84, 13,872,631.84 and 5,642,372.68
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Solution
The fourth proportional to 10,053,056.84, 13,872,631.84 and 5,642,372.68 is: 7,786,145.06
Step by Step Solution
- Step 1: Write the proportion equation
10,053,056.84 : 13,872,631.84 = 5,642,372.68 : x - Step 2: Convert to fraction form
10,053,056.84/13,872,631.84 = 5,642,372.68/x - Step 3: Cross multiply
10,053,056.84x = 13,872,631.84 × 5,642,372.68 - Step 4: Simplify right side
10,053,056.84x = 78,274,558,893,714.12 - Step 5: Solve for x
x = 78,274,558,893,714.12/10,053,056.84 - Step 6: Final answer
x = 7,786,145.06
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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.