Finding the Fourth Proportional to 22,863,206.99, 31,551,694.35 and 12,940,089.05
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Solution
The fourth proportional to 22,863,206.99, 31,551,694.35 and 12,940,089.05 is: 17,857,588.17
Step by Step Solution
- Step 1: Write the proportion equation
22,863,206.99 : 31,551,694.35 = 12,940,089.05 : x - Step 2: Convert to fraction form
22,863,206.99/31,551,694.35 = 12,940,089.05/x - Step 3: Cross multiply
22,863,206.99x = 31,551,694.35 × 12,940,089.05 - Step 4: Simplify right side
22,863,206.99x = 408,281,734,567,381.94 - Step 5: Solve for x
x = 408,281,734,567,381.94/22,863,206.99 - Step 6: Final answer
x = 17,857,588.17
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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.