Finding the Fourth Proportional to 11,413,475.69, 15,750,538.70 and 6,186,462.80
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Solution
The fourth proportional to 11,413,475.69, 15,750,538.70 and 6,186,462.80 is: 8,537,287.35
Step by Step Solution
- Step 1: Write the proportion equation
11,413,475.69 : 15,750,538.70 = 6,186,462.80 : x - Step 2: Convert to fraction form
11,413,475.69/15,750,538.70 = 6,186,462.80/x - Step 3: Cross multiply
11,413,475.69x = 15,750,538.70 × 6,186,462.80 - Step 4: Simplify right side
11,413,475.69x = 97,440,121,637,825.36 - Step 5: Solve for x
x = 97,440,121,637,825.36/11,413,475.69 - Step 6: Final answer
x = 8,537,287.35
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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.