Finding the Fourth Proportional to 40,224,297.20, 60,367,938.60 and 18,661,570.70
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Solution
The fourth proportional to 40,224,297.20, 60,367,938.60 and 18,661,570.70 is: 28,006,966.75
Step by Step Solution
- Step 1: Write the proportion equation
40,224,297.20 : 60,367,938.60 = 18,661,570.70 : x - Step 2: Convert to fraction form
40,224,297.20/60,367,938.60 = 18,661,570.70/x - Step 3: Cross multiply
40,224,297.20x = 60,367,938.60 × 18,661,570.70 - Step 4: Simplify right side
40,224,297.20x = 1,126,560,554,197,159 - Step 5: Solve for x
x = 1,126,560,554,197,159/40,224,297.20 - Step 6: Final answer
x = 28,006,966.75
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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.