Finding the Fourth Proportional to 7,665,554.85, 11,506,307.53 and 5,646,079.05
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Solution
The fourth proportional to 7,665,554.85, 11,506,307.53 and 5,646,079.05 is: 8,474,992.76
Step by Step Solution
- Step 1: Write the proportion equation
7,665,554.85 : 11,506,307.53 = 5,646,079.05 : x - Step 2: Convert to fraction form
7,665,554.85/11,506,307.53 = 5,646,079.05/x - Step 3: Cross multiply
7,665,554.85x = 11,506,307.53 × 5,646,079.05 - Step 4: Simplify right side
7,665,554.85x = 64,965,521,887,990.24 - Step 5: Solve for x
x = 64,965,521,887,990.24/7,665,554.85 - Step 6: Final answer
x = 8,474,992.76
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.