Finding the Fourth Proportional to 7,788,272.47, 11,686,591.41 and 3,242,459.05
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Solution
The fourth proportional to 7,788,272.47, 11,686,591.41 and 3,242,459.05 is: 4,865,429.94
Step by Step Solution
- Step 1: Write the proportion equation
7,788,272.47 : 11,686,591.41 = 3,242,459.05 : x - Step 2: Convert to fraction form
7,788,272.47/11,686,591.41 = 3,242,459.05/x - Step 3: Cross multiply
7,788,272.47x = 11,686,591.41 × 3,242,459.05 - Step 4: Simplify right side
7,788,272.47x = 37,893,294,081,006.76 - Step 5: Solve for x
x = 37,893,294,081,006.76/7,788,272.47 - Step 6: Final answer
x = 4,865,429.94
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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.