Finding the Fourth Proportional to 14,350,228.99, 19,803,310.32 and 7,823,863.78
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Solution
The fourth proportional to 14,350,228.99, 19,803,310.32 and 7,823,863.78 is: 10,796,928.92
Step by Step Solution
- Step 1: Write the proportion equation
14,350,228.99 : 19,803,310.32 = 7,823,863.78 : x - Step 2: Convert to fraction form
14,350,228.99/19,803,310.32 = 7,823,863.78/x - Step 3: Cross multiply
14,350,228.99x = 19,803,310.32 × 7,823,863.78 - Step 4: Simplify right side
14,350,228.99x = 154,938,402,336,748.22 - Step 5: Solve for x
x = 154,938,402,336,748.22/14,350,228.99 - Step 6: Final answer
x = 10,796,928.92
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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.