Finding the Fourth Proportional to 7,352,109.68, 11,026,291.60 and 5,213,225.81
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Solution
The fourth proportional to 7,352,109.68, 11,026,291.60 and 5,213,225.81 is: 7,818,510.66
Step by Step Solution
- Step 1: Write the proportion equation
7,352,109.68 : 11,026,291.60 = 5,213,225.81 : x - Step 2: Convert to fraction form
7,352,109.68/11,026,291.60 = 5,213,225.81/x - Step 3: Cross multiply
7,352,109.68x = 11,026,291.60 × 5,213,225.81 - Step 4: Simplify right side
7,352,109.68x = 57,482,547,876,508.61 - Step 5: Solve for x
x = 57,482,547,876,508.61/7,352,109.68 - Step 6: Final answer
x = 7,818,510.66
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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.