Finding the Fourth Proportional to 15,863,039.20, 23,794,640.91 and 7,221,095.99
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Solution
The fourth proportional to 15,863,039.20, 23,794,640.91 and 7,221,095.99 is: 10,831,681.36
Step by Step Solution
- Step 1: Write the proportion equation
15,863,039.20 : 23,794,640.91 = 7,221,095.99 : x - Step 2: Convert to fraction form
15,863,039.20/23,794,640.91 = 7,221,095.99/x - Step 3: Cross multiply
15,863,039.20x = 23,794,640.91 × 7,221,095.99 - Step 4: Simplify right side
15,863,039.20x = 171,823,385,939,717.75 - Step 5: Solve for x
x = 171,823,385,939,717.75/15,863,039.20 - Step 6: Final answer
x = 10,831,681.36
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.