Finding the Fourth Proportional to 7,265,120.14, 10,026,574.68 and 5,426,389.64
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Solution
The fourth proportional to 7,265,120.14, 10,026,574.68 and 5,426,389.64 is: 7,488,947.17
Step by Step Solution
- Step 1: Write the proportion equation
7,265,120.14 : 10,026,574.68 = 5,426,389.64 : x - Step 2: Convert to fraction form
7,265,120.14/10,026,574.68 = 5,426,389.64/x - Step 3: Cross multiply
7,265,120.14x = 10,026,574.68 × 5,426,389.64 - Step 4: Simplify right side
7,265,120.14x = 54,408,100,926,730.79 - Step 5: Solve for x
x = 54,408,100,926,730.79/7,265,120.14 - Step 6: Final answer
x = 7,488,947.17
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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.