Finding the Fourth Proportional to 19,785,259.47, 29,634,039.84 and 15,202,575.93
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Solution
The fourth proportional to 19,785,259.47, 29,634,039.84 and 15,202,575.93 is: 22,770,170.97
Step by Step Solution
- Step 1: Write the proportion equation
19,785,259.47 : 29,634,039.84 = 15,202,575.93 : x - Step 2: Convert to fraction form
19,785,259.47/29,634,039.84 = 15,202,575.93/x - Step 3: Cross multiply
19,785,259.47x = 29,634,039.84 × 15,202,575.93 - Step 4: Simplify right side
19,785,259.47x = 450,513,740,780,245.06 - Step 5: Solve for x
x = 450,513,740,780,245.06/19,785,259.47 - Step 6: Final answer
x = 22,770,170.97
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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.