Finding the Fourth Proportional to 19,894,447.86, 29,841,670.14 and 5,517,515.46
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Solution
The fourth proportional to 19,894,447.86, 29,841,670.14 and 5,517,515.46 is: 8,276,272.73
Step by Step Solution
- Step 1: Write the proportion equation
19,894,447.86 : 29,841,670.14 = 5,517,515.46 : x - Step 2: Convert to fraction form
19,894,447.86/29,841,670.14 = 5,517,515.46/x - Step 3: Cross multiply
19,894,447.86x = 29,841,670.14 × 5,517,515.46 - Step 4: Simplify right side
19,894,447.86x = 164,651,876,349,670.38 - Step 5: Solve for x
x = 164,651,876,349,670.38/19,894,447.86 - Step 6: Final answer
x = 8,276,272.73
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.