Finding the Fourth Proportional to 7,756,143.45, 11,612,342.02 and 4,104,602.49
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Solution
The fourth proportional to 7,756,143.45, 11,612,342.02 and 4,104,602.49 is: 6,145,328.32
Step by Step Solution
- Step 1: Write the proportion equation
7,756,143.45 : 11,612,342.02 = 4,104,602.49 : x - Step 2: Convert to fraction form
7,756,143.45/11,612,342.02 = 4,104,602.49/x - Step 3: Cross multiply
7,756,143.45x = 11,612,342.02 × 4,104,602.49 - Step 4: Simplify right side
7,756,143.45x = 47,664,047,970,023.63 - Step 5: Solve for x
x = 47,664,047,970,023.63/7,756,143.45 - Step 6: Final answer
x = 6,145,328.32
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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.