Finding the Fourth Proportional to 11,712,949.25, 16,163,757.50 and 6,749,567.19
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Solution
The fourth proportional to 11,712,949.25, 16,163,757.50 and 6,749,567.19 is: 9,314,337.92
Step by Step Solution
- Step 1: Write the proportion equation
11,712,949.25 : 16,163,757.50 = 6,749,567.19 : x - Step 2: Convert to fraction form
11,712,949.25/16,163,757.50 = 6,749,567.19/x - Step 3: Cross multiply
11,712,949.25x = 16,163,757.50 × 6,749,567.19 - Step 4: Simplify right side
11,712,949.25x = 109,098,367,255,368.59 - Step 5: Solve for x
x = 109,098,367,255,368.59/11,712,949.25 - Step 6: Final answer
x = 9,314,337.92
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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.