Finding the Fourth Proportional to 10,654,780.84, 15,984,538.08 and 4,971,905.08
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Solution
The fourth proportional to 10,654,780.84, 15,984,538.08 and 4,971,905.08 is: 7,458,962.06
Step by Step Solution
- Step 1: Write the proportion equation
10,654,780.84 : 15,984,538.08 = 4,971,905.08 : x - Step 2: Convert to fraction form
10,654,780.84/15,984,538.08 = 4,971,905.08/x - Step 3: Cross multiply
10,654,780.84x = 15,984,538.08 × 4,971,905.08 - Step 4: Simplify right side
10,654,780.84x = 79,473,606,081,405.45 - Step 5: Solve for x
x = 79,473,606,081,405.45/10,654,780.84 - Step 6: Final answer
x = 7,458,962.06
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.