Finding the Fourth Proportional to 7,349,140.68, 10,138,541.04 and 4,292,006.28
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Solution
The fourth proportional to 7,349,140.68, 10,138,541.04 and 4,292,006.28 is: 5,921,057.13
Step by Step Solution
- Step 1: Write the proportion equation
7,349,140.68 : 10,138,541.04 = 4,292,006.28 : x - Step 2: Convert to fraction form
7,349,140.68/10,138,541.04 = 4,292,006.28/x - Step 3: Cross multiply
7,349,140.68x = 10,138,541.04 × 4,292,006.28 - Step 4: Simplify right side
7,349,140.68x = 43,514,681,813,717.73 - Step 5: Solve for x
x = 43,514,681,813,717.73/7,349,140.68 - Step 6: Final answer
x = 5,921,057.13
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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.