Finding the Fourth Proportional to 12,935,688.02, 19,416,990.30 and 9,527,822.62
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Solution
The fourth proportional to 12,935,688.02, 19,416,990.30 and 9,527,822.62 is: 14,301,646.66
Step by Step Solution
- Step 1: Write the proportion equation
12,935,688.02 : 19,416,990.30 = 9,527,822.62 : x - Step 2: Convert to fraction form
12,935,688.02/19,416,990.30 = 9,527,822.62/x - Step 3: Cross multiply
12,935,688.02x = 19,416,990.30 × 9,527,822.62 - Step 4: Simplify right side
12,935,688.02x = 185,001,639,392,660.56 - Step 5: Solve for x
x = 185,001,639,392,660.56/12,935,688.02 - Step 6: Final answer
x = 14,301,646.66
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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.