Finding the Fourth Proportional to 16,171,440.96, 22,316,603.04 and 8,928,096.96
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Solution
The fourth proportional to 16,171,440.96, 22,316,603.04 and 8,928,096.96 is: 12,320,781.82
Step by Step Solution
- Step 1: Write the proportion equation
16,171,440.96 : 22,316,603.04 = 8,928,096.96 : x - Step 2: Convert to fraction form
16,171,440.96/22,316,603.04 = 8,928,096.96/x - Step 3: Cross multiply
16,171,440.96x = 22,316,603.04 × 8,928,096.96 - Step 4: Simplify right side
16,171,440.96x = 199,244,795,758,950.78 - Step 5: Solve for x
x = 199,244,795,758,950.78/16,171,440.96 - Step 6: Final answer
x = 12,320,781.82
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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.