Finding the Fourth Proportional to 7,442,156.84, 11,146,959.60 and 5,276,617.76
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Solution
The fourth proportional to 7,442,156.84, 11,146,959.60 and 5,276,617.76 is: 7,903,386.92
Step by Step Solution
- Step 1: Write the proportion equation
7,442,156.84 : 11,146,959.60 = 5,276,617.76 : x - Step 2: Convert to fraction form
7,442,156.84/11,146,959.60 = 5,276,617.76/x - Step 3: Cross multiply
7,442,156.84x = 11,146,959.60 × 5,276,617.76 - Step 4: Simplify right side
7,442,156.84x = 58,818,244,995,362.49 - Step 5: Solve for x
x = 58,818,244,995,362.49/7,442,156.84 - Step 6: Final answer
x = 7,903,386.92
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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.