Finding the Fourth Proportional to 38,424,627.04, 53,020,197.10 and 21,906,186.88
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Solution
The fourth proportional to 38,424,627.04, 53,020,197.10 and 21,906,186.88 is: 30,227,237.99
Step by Step Solution
- Step 1: Write the proportion equation
38,424,627.04 : 53,020,197.10 = 21,906,186.88 : x - Step 2: Convert to fraction form
38,424,627.04/53,020,197.10 = 21,906,186.88/x - Step 3: Cross multiply
38,424,627.04x = 53,020,197.10 × 21,906,186.88 - Step 4: Simplify right side
38,424,627.04x = 1,161,470,346,087,034 - Step 5: Solve for x
x = 1,161,470,346,087,034/38,424,627.04 - Step 6: Final answer
x = 30,227,237.99
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1.5x scale
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.