Finding the Fourth Proportional to 14,658,956.69, 20,230,318.63 and 8,464,264.49
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Solution
The fourth proportional to 14,658,956.69, 20,230,318.63 and 8,464,264.49 is: 11,681,238.39
Step by Step Solution
- Step 1: Write the proportion equation
14,658,956.69 : 20,230,318.63 = 8,464,264.49 : x - Step 2: Convert to fraction form
14,658,956.69/20,230,318.63 = 8,464,264.49/x - Step 3: Cross multiply
14,658,956.69x = 20,230,318.63 × 8,464,264.49 - Step 4: Simplify right side
14,658,956.69x = 171,234,767,630,709.59 - Step 5: Solve for x
x = 171,234,767,630,709.59/14,658,956.69 - Step 6: Final answer
x = 11,681,238.39
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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.