Finding the Fourth Proportional to 7,118,767.04, 9,823,849.44 and 3,855,507.08
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Solution
The fourth proportional to 7,118,767.04, 9,823,849.44 and 3,855,507.08 is: 5,320,573.19
Step by Step Solution
- Step 1: Write the proportion equation
7,118,767.04 : 9,823,849.44 = 3,855,507.08 : x - Step 2: Convert to fraction form
7,118,767.04/9,823,849.44 = 3,855,507.08/x - Step 3: Cross multiply
7,118,767.04x = 9,823,849.44 × 3,855,507.08 - Step 4: Simplify right side
7,118,767.04x = 37,875,921,068,774.03 - Step 5: Solve for x
x = 37,875,921,068,774.03/7,118,767.04 - Step 6: Final answer
x = 5,320,573.19
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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.