Finding the Fourth Proportional to 14,224,623.98, 19,630,004.90 and 7,698,259.23
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Solution
The fourth proportional to 14,224,623.98, 19,630,004.90 and 7,698,259.23 is: 10,623,610.62
Step by Step Solution
- Step 1: Write the proportion equation
14,224,623.98 : 19,630,004.90 = 7,698,259.23 : x - Step 2: Convert to fraction form
14,224,623.98/19,630,004.90 = 7,698,259.23/x - Step 3: Cross multiply
14,224,623.98x = 19,630,004.90 × 7,698,259.23 - Step 4: Simplify right side
14,224,623.98x = 151,116,866,406,370.22 - Step 5: Solve for x
x = 151,116,866,406,370.22/14,224,623.98 - Step 6: Final answer
x = 10,623,610.62
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1.5x scale
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.