Finding the Fourth Proportional to 7,199,248.68, 9,937,465.14 and 4,144,680.36
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Solution
The fourth proportional to 7,199,248.68, 9,937,465.14 and 4,144,680.36 is: 5,721,099.30
Step by Step Solution
- Step 1: Write the proportion equation
7,199,248.68 : 9,937,465.14 = 4,144,680.36 : x - Step 2: Convert to fraction form
7,199,248.68/9,937,465.14 = 4,144,680.36/x - Step 3: Cross multiply
7,199,248.68x = 9,937,465.14 × 4,144,680.36 - Step 4: Simplify right side
7,199,248.68x = 41,187,616,593,942.65 - Step 5: Solve for x
x = 41,187,616,593,942.65/7,199,248.68 - Step 6: Final answer
x = 5,721,099.30
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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.