Finding the Fourth Proportional to 11,289,701.34, 15,579,920.52 and 6,133,144.14
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Solution
The fourth proportional to 11,289,701.34, 15,579,920.52 and 6,133,144.14 is: 8,463,810.99
Step by Step Solution
- Step 1: Write the proportion equation
11,289,701.34 : 15,579,920.52 = 6,133,144.14 : x - Step 2: Convert to fraction form
11,289,701.34/15,579,920.52 = 6,133,144.14/x - Step 3: Cross multiply
11,289,701.34x = 15,579,920.52 × 6,133,144.14 - Step 4: Simplify right side
11,289,701.34x = 95,553,898,238,903.75 - Step 5: Solve for x
x = 95,553,898,238,903.75/11,289,701.34 - Step 6: Final answer
x = 8,463,810.99
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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.