Finding the Fourth Proportional to 15,919,467.53, 23,883,886.33 and 5,136,566.09
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Solution
The fourth proportional to 15,919,467.53, 23,883,886.33 and 5,136,566.09 is: 7,706,360.80
Step by Step Solution
- Step 1: Write the proportion equation
15,919,467.53 : 23,883,886.33 = 5,136,566.09 : x - Step 2: Convert to fraction form
15,919,467.53/23,883,886.33 = 5,136,566.09/x - Step 3: Cross multiply
15,919,467.53x = 23,883,886.33 × 5,136,566.09 - Step 4: Simplify right side
15,919,467.53x = 122,681,160,487,831.70 - Step 5: Solve for x
x = 122,681,160,487,831.70/15,919,467.53 - Step 6: Final answer
x = 7,706,360.80
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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.