Finding the Fourth Proportional to 25,340,451.76, 34,998,691.76 and 17,177,518
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Solution
The fourth proportional to 25,340,451.76, 34,998,691.76 and 17,177,518 is: 23,724,543.80
Step by Step Solution
- Step 1: Write the proportion equation
25,340,451.76 : 34,998,691.76 = 17,177,518 : x - Step 2: Convert to fraction form
25,340,451.76/34,998,691.76 = 17,177,518/x - Step 3: Cross multiply
25,340,451.76x = 34,998,691.76 × 17,177,518 - Step 4: Simplify right side
25,340,451.76x = 601,190,657,683,851.62 - Step 5: Solve for x
x = 601,190,657,683,851.62/25,340,451.76 - Step 6: Final answer
x = 23,724,543.80
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1.5x scale
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.