Finding the Fourth Proportional to 11,904,849.23, 16,432,188.28 and 7,775,511.64
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Solution
The fourth proportional to 11,904,849.23, 16,432,188.28 and 7,775,511.64 is: 10,732,489.66
Step by Step Solution
- Step 1: Write the proportion equation
11,904,849.23 : 16,432,188.28 = 7,775,511.64 : x - Step 2: Convert to fraction form
11,904,849.23/16,432,188.28 = 7,775,511.64/x - Step 3: Cross multiply
11,904,849.23x = 16,432,188.28 × 7,775,511.64 - Step 4: Simplify right side
11,904,849.23x = 127,768,671,181,292.33 - Step 5: Solve for x
x = 127,768,671,181,292.33/11,904,849.23 - Step 6: Final answer
x = 10,732,489.66
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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.