Finding the Fourth Proportional to 8,534,265.79, 12,804,623.83 and 5,124,929.28
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Solution
The fourth proportional to 8,534,265.79, 12,804,623.83 and 5,124,929.28 is: 7,689,330.66
Step by Step Solution
- Step 1: Write the proportion equation
8,534,265.79 : 12,804,623.83 = 5,124,929.28 : x - Step 2: Convert to fraction form
8,534,265.79/12,804,623.83 = 5,124,929.28/x - Step 3: Cross multiply
8,534,265.79x = 12,804,623.83 × 5,124,929.28 - Step 4: Simplify right side
8,534,265.79x = 65,622,791,585,752.75 - Step 5: Solve for x
x = 65,622,791,585,752.75/8,534,265.79 - Step 6: Final answer
x = 7,689,330.66
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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.