Finding the Fourth Proportional to 15,990,225.26, 22,066,510.86 and 8,648,058.42
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Solution
The fourth proportional to 15,990,225.26, 22,066,510.86 and 8,648,058.42 is: 11,934,320.62
Step by Step Solution
- Step 1: Write the proportion equation
15,990,225.26 : 22,066,510.86 = 8,648,058.42 : x - Step 2: Convert to fraction form
15,990,225.26/22,066,510.86 = 8,648,058.42/x - Step 3: Cross multiply
15,990,225.26x = 22,066,510.86 × 8,648,058.42 - Step 4: Simplify right side
15,990,225.26x = 190,832,475,042,844.44 - Step 5: Solve for x
x = 190,832,475,042,844.44/15,990,225.26 - Step 6: Final answer
x = 11,934,320.62
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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.