Finding the Fourth Proportional to 11,184,756.07, 15,434,721.46 and 6,475,350.17
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Solution
The fourth proportional to 11,184,756.07, 15,434,721.46 and 6,475,350.17 is: 8,935,843.17
Step by Step Solution
- Step 1: Write the proportion equation
11,184,756.07 : 15,434,721.46 = 6,475,350.17 : x - Step 2: Convert to fraction form
11,184,756.07/15,434,721.46 = 6,475,350.17/x - Step 3: Cross multiply
11,184,756.07x = 15,434,721.46 × 6,475,350.17 - Step 4: Simplify right side
11,184,756.07x = 99,945,226,136,551.66 - Step 5: Solve for x
x = 99,945,226,136,551.66/11,184,756.07 - Step 6: Final answer
x = 8,935,843.17
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.