Finding the Fourth Proportional to 27,847,439.98, 38,427,543.36 and 15,456,558.63
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Solution
The fourth proportional to 27,847,439.98, 38,427,543.36 and 15,456,558.63 is: 21,328,983.11
Step by Step Solution
- Step 1: Write the proportion equation
27,847,439.98 : 38,427,543.36 = 15,456,558.63 : x - Step 2: Convert to fraction form
27,847,439.98/38,427,543.36 = 15,456,558.63/x - Step 3: Cross multiply
27,847,439.98x = 38,427,543.36 × 15,456,558.63 - Step 4: Simplify right side
27,847,439.98x = 593,957,576,950,707.25 - Step 5: Solve for x
x = 593,957,576,950,707.25/27,847,439.98 - Step 6: Final answer
x = 21,328,983.11
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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.