Finding the Fourth Proportional to 39,291,974.92, 53,830,266.86 and 37,819,282.96
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Solution
The fourth proportional to 39,291,974.92, 53,830,266.86 and 37,819,282.96 is: 51,812,669.08
Step by Step Solution
- Step 1: Write the proportion equation
39,291,974.92 : 53,830,266.86 = 37,819,282.96 : x - Step 2: Convert to fraction form
39,291,974.92/53,830,266.86 = 37,819,282.96/x - Step 3: Cross multiply
39,291,974.92x = 53,830,266.86 × 37,819,282.96 - Step 4: Simplify right side
39,291,974.92x = 2,035,822,094,190,650.75 - Step 5: Solve for x
x = 2,035,822,094,190,650.75/39,291,974.92 - Step 6: Final answer
x = 51,812,669.08
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.