Finding the Fourth Proportional to 13,251,796.21, 19,877,116.18 and 4,153,686.27
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Solution
The fourth proportional to 13,251,796.21, 19,877,116.18 and 4,153,686.27 is: 6,230,348.19
Step by Step Solution
- Step 1: Write the proportion equation
13,251,796.21 : 19,877,116.18 = 4,153,686.27 : x - Step 2: Convert to fraction form
13,251,796.21/19,877,116.18 = 4,153,686.27/x - Step 3: Cross multiply
13,251,796.21x = 19,877,116.18 × 4,153,686.27 - Step 4: Simplify right side
13,251,796.21x = 82,563,304,564,060.84 - Step 5: Solve for x
x = 82,563,304,564,060.84/13,251,796.21 - Step 6: Final answer
x = 6,230,348.19
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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.