Finding the Fourth Proportional to 18,021,407.46, 24,849,617.85 and 11,484,688.02
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Solution
The fourth proportional to 18,021,407.46, 24,849,617.85 and 11,484,688.02 is: 15,836,172.01
Step by Step Solution
- Step 1: Write the proportion equation
18,021,407.46 : 24,849,617.85 = 11,484,688.02 : x - Step 2: Convert to fraction form
18,021,407.46/24,849,617.85 = 11,484,688.02/x - Step 3: Cross multiply
18,021,407.46x = 24,849,617.85 × 11,484,688.02 - Step 4: Simplify right side
18,021,407.46x = 285,390,108,423,473.19 - Step 5: Solve for x
x = 285,390,108,423,473.19/18,021,407.46 - Step 6: Final answer
x = 15,836,172.01
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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.