Finding the Fourth Proportional to 10,302,161.99, 14,216,271.93 and 5,718,122.51
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Solution
The fourth proportional to 10,302,161.99, 14,216,271.93 and 5,718,122.51 is: 7,890,614.08
Step by Step Solution
- Step 1: Write the proportion equation
10,302,161.99 : 14,216,271.93 = 5,718,122.51 : x - Step 2: Convert to fraction form
10,302,161.99/14,216,271.93 = 5,718,122.51/x - Step 3: Cross multiply
10,302,161.99x = 14,216,271.93 × 5,718,122.51 - Step 4: Simplify right side
10,302,161.99x = 81,290,384,460,132.78 - Step 5: Solve for x
x = 81,290,384,460,132.78/10,302,161.99 - Step 6: Final answer
x = 7,890,614.08
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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.