Finding the Fourth Proportional to 13,484,874.15, 18,610,946.84 and 7,605,715.14
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Solution
The fourth proportional to 13,484,874.15, 18,610,946.84 and 7,605,715.14 is: 10,496,913.70
Step by Step Solution
- Step 1: Write the proportion equation
13,484,874.15 : 18,610,946.84 = 7,605,715.14 : x - Step 2: Convert to fraction form
13,484,874.15/18,610,946.84 = 7,605,715.14/x - Step 3: Cross multiply
13,484,874.15x = 18,610,946.84 × 7,605,715.14 - Step 4: Simplify right side
13,484,874.15x = 141,549,560,150,723.16 - Step 5: Solve for x
x = 141,549,560,150,723.16/13,484,874.15 - Step 6: Final answer
x = 10,496,913.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.