Finding the Fourth Proportional to 8,197,695.98, 11,312,762.91 and 4,526,840.78
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Solution
The fourth proportional to 8,197,695.98, 11,312,762.91 and 4,526,840.78 is: 6,247,008.50
Step by Step Solution
- Step 1: Write the proportion equation
8,197,695.98 : 11,312,762.91 = 4,526,840.78 : x - Step 2: Convert to fraction form
8,197,695.98/11,312,762.91 = 4,526,840.78/x - Step 3: Cross multiply
8,197,695.98x = 11,312,762.91 × 4,526,840.78 - Step 4: Simplify right side
8,197,695.98x = 51,211,076,475,459.48 - Step 5: Solve for x
x = 51,211,076,475,459.48/8,197,695.98 - Step 6: Final answer
x = 6,247,008.50
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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.