Finding the Fourth Proportional to 14,046,521.40, 19,385,772.66 and 7,935,343.56
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Solution
The fourth proportional to 14,046,521.40, 19,385,772.66 and 7,935,343.56 is: 10,951,662.82
Step by Step Solution
- Step 1: Write the proportion equation
14,046,521.40 : 19,385,772.66 = 7,935,343.56 : x - Step 2: Convert to fraction form
14,046,521.40/19,385,772.66 = 7,935,343.56/x - Step 3: Cross multiply
14,046,521.40x = 19,385,772.66 × 7,935,343.56 - Step 4: Simplify right side
14,046,521.40x = 153,832,766,233,155.06 - Step 5: Solve for x
x = 153,832,766,233,155.06/14,046,521.40 - Step 6: Final answer
x = 10,951,662.82
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.