Finding the Fourth Proportional to 13,433,439.27, 18,537,940.47 and 7,553,078.62
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Solution
The fourth proportional to 13,433,439.27, 18,537,940.47 and 7,553,078.62 is: 10,423,132.83
Step by Step Solution
- Step 1: Write the proportion equation
13,433,439.27 : 18,537,940.47 = 7,553,078.62 : x - Step 2: Convert to fraction form
13,433,439.27/18,537,940.47 = 7,553,078.62/x - Step 3: Cross multiply
13,433,439.27x = 18,537,940.47 × 7,553,078.62 - Step 4: Simplify right side
13,433,439.27x = 140,018,521,822,789.75 - Step 5: Solve for x
x = 140,018,521,822,789.75/13,433,439.27 - Step 6: Final answer
x = 10,423,132.83
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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.