Finding the Fourth Proportional to 18,127,273.86, 27,190,641.15 and 4,480,419.47
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Solution
The fourth proportional to 18,127,273.86, 27,190,641.15 and 4,480,419.47 is: 6,720,562.55
Step by Step Solution
- Step 1: Write the proportion equation
18,127,273.86 : 27,190,641.15 = 4,480,419.47 : x - Step 2: Convert to fraction form
18,127,273.86/27,190,641.15 = 4,480,419.47/x - Step 3: Cross multiply
18,127,273.86x = 27,190,641.15 × 4,480,419.47 - Step 4: Simplify right side
18,127,273.86x = 121,825,477,874,289.97 - Step 5: Solve for x
x = 121,825,477,874,289.97/18,127,273.86 - Step 6: Final answer
x = 6,720,562.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.