Finding the Fourth Proportional to 10,176,778.58, 15,265,090.10 and 2,603,732.18
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Solution
The fourth proportional to 10,176,778.58, 15,265,090.10 and 2,603,732.18 is: 3,905,578.37
Step by Step Solution
- Step 1: Write the proportion equation
10,176,778.58 : 15,265,090.10 = 2,603,732.18 : x - Step 2: Convert to fraction form
10,176,778.58/15,265,090.10 = 2,603,732.18/x - Step 3: Cross multiply
10,176,778.58x = 15,265,090.10 × 2,603,732.18 - Step 4: Simplify right side
10,176,778.58x = 39,746,206,323,969.42 - Step 5: Solve for x
x = 39,746,206,323,969.42/10,176,778.58 - Step 6: Final answer
x = 3,905,578.37
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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.