Finding the Fourth Proportional to 11,712,945.37, 16,163,751.94 and 6,749,563.18
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Solution
The fourth proportional to 11,712,945.37, 16,163,751.94 and 6,749,563.18 is: 9,314,332.26
Step by Step Solution
- Step 1: Write the proportion equation
11,712,945.37 : 16,163,751.94 = 6,749,563.18 : x - Step 2: Convert to fraction form
11,712,945.37/16,163,751.94 = 6,749,563.18/x - Step 3: Cross multiply
11,712,945.37x = 16,163,751.94 × 6,749,563.18 - Step 4: Simplify right side
11,712,945.37x = 109,098,264,944,877.56 - Step 5: Solve for x
x = 109,098,264,944,877.56/11,712,945.37 - Step 6: Final answer
x = 9,314,332.26
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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.