Finding the Fourth Proportional to 19,977,761.36, 27,569,358.60 and 10,810,502.48
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Solution
The fourth proportional to 19,977,761.36, 27,569,358.60 and 10,810,502.48 is: 14,918,519.35
Step by Step Solution
- Step 1: Write the proportion equation
19,977,761.36 : 27,569,358.60 = 10,810,502.48 : x - Step 2: Convert to fraction form
19,977,761.36/27,569,358.60 = 10,810,502.48/x - Step 3: Cross multiply
19,977,761.36x = 27,569,358.60 × 10,810,502.48 - Step 4: Simplify right side
19,977,761.36x = 298,038,619,517,309.38 - Step 5: Solve for x
x = 298,038,619,517,309.38/19,977,761.36 - Step 6: Final answer
x = 14,918,519.35
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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.