Finding the Fourth Proportional to 7,312,287.84, 10,090,950.86 and 4,049,102.40
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Solution
The fourth proportional to 7,312,287.84, 10,090,950.86 and 4,049,102.40 is: 5,587,757.79
Step by Step Solution
- Step 1: Write the proportion equation
7,312,287.84 : 10,090,950.86 = 4,049,102.40 : x - Step 2: Convert to fraction form
7,312,287.84/10,090,950.86 = 4,049,102.40/x - Step 3: Cross multiply
7,312,287.84x = 10,090,950.86 × 4,049,102.40 - Step 4: Simplify right side
7,312,287.84x = 40,859,293,345,508.06 - Step 5: Solve for x
x = 40,859,293,345,508.06/7,312,287.84 - Step 6: Final answer
x = 5,587,757.79
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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.