Finding the Fourth Proportional to 10,749,329.20, 16,108,044.36 and 7,895,491.12
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Solution
The fourth proportional to 10,749,329.20, 16,108,044.36 and 7,895,491.12 is: 11,831,521.65
Step by Step Solution
- Step 1: Write the proportion equation
10,749,329.20 : 16,108,044.36 = 7,895,491.12 : x - Step 2: Convert to fraction form
10,749,329.20/16,108,044.36 = 7,895,491.12/x - Step 3: Cross multiply
10,749,329.20x = 16,108,044.36 × 7,895,491.12 - Step 4: Simplify right side
10,749,329.20x = 127,180,921,204,946.08 - Step 5: Solve for x
x = 127,180,921,204,946.08/10,749,329.20 - Step 6: Final answer
x = 11,831,521.65
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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.