Finding the Fourth Proportional to 14,227,831.08, 19,645,725.15 and 13,139,704.62
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Solution
The fourth proportional to 14,227,831.08, 19,645,725.15 and 13,139,704.62 is: 18,143,245.03
Step by Step Solution
- Step 1: Write the proportion equation
14,227,831.08 : 19,645,725.15 = 13,139,704.62 : x - Step 2: Convert to fraction form
14,227,831.08/19,645,725.15 = 13,139,704.62/x - Step 3: Cross multiply
14,227,831.08x = 19,645,725.15 × 13,139,704.62 - Step 4: Simplify right side
14,227,831.08x = 258,139,025,516,705.16 - Step 5: Solve for x
x = 258,139,025,516,705.16/14,227,831.08 - Step 6: Final answer
x = 18,143,245.03
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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.