Finding the Fourth Proportional to 10,855,640.99, 14,980,103.28 and 5,960,828.81
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Solution
The fourth proportional to 10,855,640.99, 14,980,103.28 and 5,960,828.81 is: 8,225,569.66
Step by Step Solution
- Step 1: Write the proportion equation
10,855,640.99 : 14,980,103.28 = 5,960,828.81 : x - Step 2: Convert to fraction form
10,855,640.99/14,980,103.28 = 5,960,828.81/x - Step 3: Cross multiply
10,855,640.99x = 14,980,103.28 × 5,960,828.81 - Step 4: Simplify right side
10,855,640.99x = 89,293,831,208,199.48 - Step 5: Solve for x
x = 89,293,831,208,199.48/10,855,640.99 - Step 6: Final answer
x = 8,225,569.66
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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.