Finding the Fourth Proportional to 13,416,878.40, 20,126,713.60 and 3,701,491.84
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Solution
The fourth proportional to 13,416,878.40, 20,126,713.60 and 3,701,491.84 is: 5,552,622.89
Step by Step Solution
- Step 1: Write the proportion equation
13,416,878.40 : 20,126,713.60 = 3,701,491.84 : x - Step 2: Convert to fraction form
13,416,878.40/20,126,713.60 = 3,701,491.84/x - Step 3: Cross multiply
13,416,878.40x = 20,126,713.60 × 3,701,491.84 - Step 4: Simplify right side
13,416,878.40x = 74,498,866,156,417.03 - Step 5: Solve for x
x = 74,498,866,156,417.03/13,416,878.40 - Step 6: Final answer
x = 5,552,622.89
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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.