Finding the Fourth Proportional to 11,137,872.76, 16,697,149.11 and 4,309,746.28
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Solution
The fourth proportional to 11,137,872.76, 16,697,149.11 and 4,309,746.28 is: 6,460,881.52
Step by Step Solution
- Step 1: Write the proportion equation
11,137,872.76 : 16,697,149.11 = 4,309,746.28 : x - Step 2: Convert to fraction form
11,137,872.76/16,697,149.11 = 4,309,746.28/x - Step 3: Cross multiply
11,137,872.76x = 16,697,149.11 × 4,309,746.28 - Step 4: Simplify right side
11,137,872.76x = 71,960,476,221,684.94 - Step 5: Solve for x
x = 71,960,476,221,684.94/11,137,872.76 - Step 6: Final answer
x = 6,460,881.52
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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.