Finding the Fourth Proportional to 36,207,030.40, 54,310,545.60 and 11,949,701.20
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Solution
The fourth proportional to 36,207,030.40, 54,310,545.60 and 11,949,701.20 is: 17,924,551.80
Step by Step Solution
- Step 1: Write the proportion equation
36,207,030.40 : 54,310,545.60 = 11,949,701.20 : x - Step 2: Convert to fraction form
36,207,030.40/54,310,545.60 = 11,949,701.20/x - Step 3: Cross multiply
36,207,030.40x = 54,310,545.60 × 11,949,701.20 - Step 4: Simplify right side
36,207,030.40x = 648,994,791,928,974.75 - Step 5: Solve for x
x = 648,994,791,928,974.75/36,207,030.40 - Step 6: Final answer
x = 17,924,551.80
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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.