Finding the Fourth Proportional to 18,018,831.24, 24,865,964.94 and 9,758,888.64
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Solution
The fourth proportional to 18,018,831.24, 24,865,964.94 and 9,758,888.64 is: 13,467,254.32
Step by Step Solution
- Step 1: Write the proportion equation
18,018,831.24 : 24,865,964.94 = 9,758,888.64 : x - Step 2: Convert to fraction form
18,018,831.24/24,865,964.94 = 9,758,888.64/x - Step 3: Cross multiply
18,018,831.24x = 24,865,964.94 × 9,758,888.64 - Step 4: Simplify right side
18,018,831.24x = 242,664,182,775,604.31 - Step 5: Solve for x
x = 242,664,182,775,604.31/18,018,831.24 - Step 6: Final answer
x = 13,467,254.32
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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.