Finding the Fourth Proportional to 20,064,159.92, 27,690,248.38 and 11,363,880.26
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Solution
The fourth proportional to 20,064,159.92, 27,690,248.38 and 11,363,880.26 is: 15,683,121.96
Step by Step Solution
- Step 1: Write the proportion equation
20,064,159.92 : 27,690,248.38 = 11,363,880.26 : x - Step 2: Convert to fraction form
20,064,159.92/27,690,248.38 = 11,363,880.26/x - Step 3: Cross multiply
20,064,159.92x = 27,690,248.38 × 11,363,880.26 - Step 4: Simplify right side
20,064,159.92x = 314,668,666,959,978.94 - Step 5: Solve for x
x = 314,668,666,959,978.94/20,064,159.92 - Step 6: Final answer
x = 15,683,121.96
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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.