Finding the Fourth Proportional to 7,553,360.52, 10,423,638.99 and 4,115,601.57
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Solution
The fourth proportional to 7,553,360.52, 10,423,638.99 and 4,115,601.57 is: 5,679,530.97
Step by Step Solution
- Step 1: Write the proportion equation
7,553,360.52 : 10,423,638.99 = 4,115,601.57 : x - Step 2: Convert to fraction form
7,553,360.52/10,423,638.99 = 4,115,601.57/x - Step 3: Cross multiply
7,553,360.52x = 10,423,638.99 × 4,115,601.57 - Step 4: Simplify right side
7,553,360.52x = 42,899,544,992,357.21 - Step 5: Solve for x
x = 42,899,544,992,357.21/7,553,360.52 - Step 6: Final answer
x = 5,679,530.97
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1.5x scale
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.