Finding the Fourth Proportional to 10,376,121.69, 15,587,802.14 and 7,506,340.29
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Solution
The fourth proportional to 10,376,121.69, 15,587,802.14 and 7,506,340.29 is: 11,276,597.43
Step by Step Solution
- Step 1: Write the proportion equation
10,376,121.69 : 15,587,802.14 = 7,506,340.29 : x - Step 2: Convert to fraction form
10,376,121.69/15,587,802.14 = 7,506,340.29/x - Step 3: Cross multiply
10,376,121.69x = 15,587,802.14 × 7,506,340.29 - Step 4: Simplify right side
10,376,121.69x = 117,007,347,198,498.52 - Step 5: Solve for x
x = 117,007,347,198,498.52/10,376,121.69 - Step 6: Final answer
x = 11,276,597.43
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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.