Finding the Fourth Proportional to 10,215,817.81, 15,323,283.84 and 2,539,300.19
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Solution
The fourth proportional to 10,215,817.81, 15,323,283.84 and 2,539,300.19 is: 3,808,840.20
Step by Step Solution
- Step 1: Write the proportion equation
10,215,817.81 : 15,323,283.84 = 2,539,300.19 : x - Step 2: Convert to fraction form
10,215,817.81/15,323,283.84 = 2,539,300.19/x - Step 3: Cross multiply
10,215,817.81x = 15,323,283.84 × 2,539,300.19 - Step 4: Simplify right side
10,215,817.81x = 38,910,417,499,241.89 - Step 5: Solve for x
x = 38,910,417,499,241.89/10,215,817.81 - Step 6: Final answer
x = 3,808,840.20
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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.