Finding the Fourth Proportional to 49,207,878.40, 73,811,817.60 and 26,249,627.20
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Solution
The fourth proportional to 49,207,878.40, 73,811,817.60 and 26,249,627.20 is: 39,374,440.80
Step by Step Solution
- Step 1: Write the proportion equation
49,207,878.40 : 73,811,817.60 = 26,249,627.20 : x - Step 2: Convert to fraction form
49,207,878.40/73,811,817.60 = 26,249,627.20/x - Step 3: Cross multiply
49,207,878.40x = 73,811,817.60 × 26,249,627.20 - Step 4: Simplify right side
49,207,878.40x = 1,937,532,694,954,398.50 - Step 5: Solve for x
x = 1,937,532,694,954,398.50/49,207,878.40 - Step 6: Final answer
x = 39,374,440.80
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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.