Finding the Fourth Proportional to 13,129,790.40, 19,692,715.68 and 4,153,176
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Solution
The fourth proportional to 13,129,790.40, 19,692,715.68 and 4,153,176 is: 6,229,140.88
Step by Step Solution
- Step 1: Write the proportion equation
13,129,790.40 : 19,692,715.68 = 4,153,176 : x - Step 2: Convert to fraction form
13,129,790.40/19,692,715.68 = 4,153,176/x - Step 3: Cross multiply
13,129,790.40x = 19,692,715.68 × 4,153,176 - Step 4: Simplify right side
13,129,790.40x = 81,787,314,136,999.67 - Step 5: Solve for x
x = 81,787,314,136,999.67/13,129,790.40 - Step 6: Final answer
x = 6,229,140.88
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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.