Finding the Fourth Proportional to 22,967,090.66, 31,695,155.92 and 14,143,201.76
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Solution
The fourth proportional to 22,967,090.66, 31,695,155.92 and 14,143,201.76 is: 19,517,969.94
Step by Step Solution
- Step 1: Write the proportion equation
22,967,090.66 : 31,695,155.92 = 14,143,201.76 : x - Step 2: Convert to fraction form
22,967,090.66/31,695,155.92 = 14,143,201.76/x - Step 3: Cross multiply
22,967,090.66x = 31,695,155.92 × 14,143,201.76 - Step 4: Simplify right side
22,967,090.66x = 448,270,985,088,135.31 - Step 5: Solve for x
x = 448,270,985,088,135.31/22,967,090.66 - Step 6: Final answer
x = 19,517,969.94
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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.