Finding the Fourth Proportional to 10,603,616.36, 15,891,958.08 and 5,485,085.01
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Solution
The fourth proportional to 10,603,616.36, 15,891,958.08 and 5,485,085.01 is: 8,220,661.53
Step by Step Solution
- Step 1: Write the proportion equation
10,603,616.36 : 15,891,958.08 = 5,485,085.01 : x - Step 2: Convert to fraction form
10,603,616.36/15,891,958.08 = 5,485,085.01/x - Step 3: Cross multiply
10,603,616.36x = 15,891,958.08 × 5,485,085.01 - Step 4: Simplify right side
10,603,616.36x = 87,168,741,044,156.38 - Step 5: Solve for x
x = 87,168,741,044,156.38/10,603,616.36 - Step 6: Final answer
x = 8,220,661.53
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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.