Finding the Fourth Proportional to 19,957,242.02, 27,539,344.44 and 11,257,552.85
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Solution
The fourth proportional to 19,957,242.02, 27,539,344.44 and 11,257,552.85 is: 15,534,492.45
Step by Step Solution
- Step 1: Write the proportion equation
19,957,242.02 : 27,539,344.44 = 11,257,552.85 : x - Step 2: Convert to fraction form
19,957,242.02/27,539,344.44 = 11,257,552.85/x - Step 3: Cross multiply
19,957,242.02x = 27,539,344.44 × 11,257,552.85 - Step 4: Simplify right side
19,957,242.02x = 310,025,625,349,956.94 - Step 5: Solve for x
x = 310,025,625,349,956.94/19,957,242.02 - Step 6: Final answer
x = 15,534,492.45
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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.