Finding the Fourth Proportional to 14,630,656.72, 20,190,468.36 and 8,104,386.28
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Solution
The fourth proportional to 14,630,656.72, 20,190,468.36 and 8,104,386.28 is: 11,184,142.85
Step by Step Solution
- Step 1: Write the proportion equation
14,630,656.72 : 20,190,468.36 = 8,104,386.28 : x - Step 2: Convert to fraction form
14,630,656.72/20,190,468.36 = 8,104,386.28/x - Step 3: Cross multiply
14,630,656.72x = 20,190,468.36 × 8,104,386.28 - Step 4: Simplify right side
14,630,656.72x = 163,631,354,763,558.09 - Step 5: Solve for x
x = 163,631,354,763,558.09/14,630,656.72 - Step 6: Final answer
x = 11,184,142.85
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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.