Finding the Fourth Proportional to 19,543,859.77, 29,306,237.92 and 8,026,248.43
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Solution
The fourth proportional to 19,543,859.77, 29,306,237.92 and 8,026,248.43 is: 12,035,449.95
Step by Step Solution
- Step 1: Write the proportion equation
19,543,859.77 : 29,306,237.92 = 8,026,248.43 : x - Step 2: Convert to fraction form
19,543,859.77/29,306,237.92 = 8,026,248.43/x - Step 3: Cross multiply
19,543,859.77x = 29,306,237.92 × 8,026,248.43 - Step 4: Simplify right side
19,543,859.77x = 235,219,146,094,606.47 - Step 5: Solve for x
x = 235,219,146,094,606.47/19,543,859.77 - Step 6: Final answer
x = 12,035,449.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.