Finding the Fourth Proportional to 22,560,719.12, 31,133,831.04 and 12,902,927.12
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Solution
The fourth proportional to 22,560,719.12, 31,133,831.04 and 12,902,927.12 is: 17,806,061.53
Step by Step Solution
- Step 1: Write the proportion equation
22,560,719.12 : 31,133,831.04 = 12,902,927.12 : x - Step 2: Convert to fraction form
22,560,719.12/31,133,831.04 = 12,902,927.12/x - Step 3: Cross multiply
22,560,719.12x = 31,133,831.04 × 12,902,927.12 - Step 4: Simplify right side
22,560,719.12x = 401,717,552,875,513.75 - Step 5: Solve for x
x = 401,717,552,875,513.75/22,560,719.12 - Step 6: Final answer
x = 17,806,061.53
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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.