Finding the Fourth Proportional to 19,785,256.59, 29,634,035.53 and 15,202,573.05
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Solution
The fourth proportional to 19,785,256.59, 29,634,035.53 and 15,202,573.05 is: 22,770,166.66
Step by Step Solution
- Step 1: Write the proportion equation
19,785,256.59 : 29,634,035.53 = 15,202,573.05 : x - Step 2: Convert to fraction form
19,785,256.59/29,634,035.53 = 15,202,573.05/x - Step 3: Cross multiply
19,785,256.59x = 29,634,035.53 × 15,202,573.05 - Step 4: Simplify right side
19,785,256.59x = 450,513,589,873,114.06 - Step 5: Solve for x
x = 450,513,589,873,114.06/19,785,256.59 - Step 6: Final answer
x = 22,770,166.66
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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.