Finding the Fourth Proportional to 11,502,115.68, 15,872,918.67 and 6,345,477.23
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Solution
The fourth proportional to 11,502,115.68, 15,872,918.67 and 6,345,477.23 is: 8,756,758.04
Step by Step Solution
- Step 1: Write the proportion equation
11,502,115.68 : 15,872,918.67 = 6,345,477.23 : x - Step 2: Convert to fraction form
11,502,115.68/15,872,918.67 = 6,345,477.23/x - Step 3: Cross multiply
11,502,115.68x = 15,872,918.67 × 6,345,477.23 - Step 4: Simplify right side
11,502,115.68x = 100,721,243,914,762.28 - Step 5: Solve for x
x = 100,721,243,914,762.28/11,502,115.68 - Step 6: Final answer
x = 8,756,758.04
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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.