Finding the Fourth Proportional to 10,902,633.80, 16,353,950.70 and 10,194,045.80
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Solution
The fourth proportional to 10,902,633.80, 16,353,950.70 and 10,194,045.80 is: 15,291,068.70
Step by Step Solution
- Step 1: Write the proportion equation
10,902,633.80 : 16,353,950.70 = 10,194,045.80 : x - Step 2: Convert to fraction form
10,902,633.80/16,353,950.70 = 10,194,045.80/x - Step 3: Cross multiply
10,902,633.80x = 16,353,950.70 × 10,194,045.80 - Step 4: Simplify right side
10,902,633.80x = 166,712,922,446,742.06 - Step 5: Solve for x
x = 166,712,922,446,742.06/10,902,633.80 - Step 6: Final answer
x = 15,291,068.70
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1.5x scale
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.