Finding the Fourth Proportional to 7,553,416, 10,423,715.28 and 4,115,657.44
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Solution
The fourth proportional to 7,553,416, 10,423,715.28 and 4,115,657.44 is: 5,679,607.92
Step by Step Solution
- Step 1: Write the proportion equation
7,553,416 : 10,423,715.28 = 4,115,657.44 : x - Step 2: Convert to fraction form
7,553,416/10,423,715.28 = 4,115,657.44/x - Step 3: Cross multiply
7,553,416x = 10,423,715.28 × 4,115,657.44 - Step 4: Simplify right side
7,553,416x = 42,900,441,344,573.68 - Step 5: Solve for x
x = 42,900,441,344,573.68/7,553,416 - Step 6: Final answer
x = 5,679,607.92
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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.