Finding the Fourth Proportional to 7,548,386.04, 11,320,971.24 and 2,155,604.76
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Solution
The fourth proportional to 7,548,386.04, 11,320,971.24 and 2,155,604.76 is: 3,232,947.99
Step by Step Solution
- Step 1: Write the proportion equation
7,548,386.04 : 11,320,971.24 = 2,155,604.76 : x - Step 2: Convert to fraction form
7,548,386.04/11,320,971.24 = 2,155,604.76/x - Step 3: Cross multiply
7,548,386.04x = 11,320,971.24 × 2,155,604.76 - Step 4: Simplify right side
7,548,386.04x = 24,403,539,492,767.10 - Step 5: Solve for x
x = 24,403,539,492,767.10/7,548,386.04 - Step 6: Final answer
x = 3,232,947.99
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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.