Finding the Fourth Proportional to 39,090,549.17, 53,947,513.59 and 22,571,369.99
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Solution
The fourth proportional to 39,090,549.17, 53,947,513.59 and 22,571,369.99 is: 31,149,966.29
Step by Step Solution
- Step 1: Write the proportion equation
39,090,549.17 : 53,947,513.59 = 22,571,369.99 : x - Step 2: Convert to fraction form
39,090,549.17/53,947,513.59 = 22,571,369.99/x - Step 3: Cross multiply
39,090,549.17x = 53,947,513.59 × 22,571,369.99 - Step 4: Simplify right side
39,090,549.17x = 1,217,669,289,128,366 - Step 5: Solve for x
x = 1,217,669,289,128,366/39,090,549.17 - Step 6: Final answer
x = 31,149,966.29
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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.