Finding the Fourth Proportional to 14,379,943.08, 19,844,456.66 and 8,184,687.24
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Solution
The fourth proportional to 14,379,943.08, 19,844,456.66 and 8,184,687.24 is: 11,294,945.35
Step by Step Solution
- Step 1: Write the proportion equation
14,379,943.08 : 19,844,456.66 = 8,184,687.24 : x - Step 2: Convert to fraction form
14,379,943.08/19,844,456.66 = 8,184,687.24/x - Step 3: Cross multiply
14,379,943.08x = 19,844,456.66 × 8,184,687.24 - Step 4: Simplify right side
14,379,943.08x = 162,420,671,209,835.03 - Step 5: Solve for x
x = 162,420,671,209,835.03/14,379,943.08 - Step 6: Final answer
x = 11,294,945.35
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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.