Finding the Fourth Proportional to 11,579,077.62, 15,968,666.97 and 7,228,564.38
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Solution
The fourth proportional to 11,579,077.62, 15,968,666.97 and 7,228,564.38 is: 9,968,888.80
Step by Step Solution
- Step 1: Write the proportion equation
11,579,077.62 : 15,968,666.97 = 7,228,564.38 : x - Step 2: Convert to fraction form
11,579,077.62/15,968,666.97 = 7,228,564.38/x - Step 3: Cross multiply
11,579,077.62x = 15,968,666.97 × 7,228,564.38 - Step 4: Simplify right side
11,579,077.62x = 115,430,537,255,424.53 - Step 5: Solve for x
x = 115,430,537,255,424.53/11,579,077.62 - Step 6: Final answer
x = 9,968,888.80
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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.