Finding the Fourth Proportional to 15,169,727.02, 20,934,223.35 and 8,294,209.09
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Solution
The fourth proportional to 15,169,727.02, 20,934,223.35 and 8,294,209.09 is: 11,446,008.58
Step by Step Solution
- Step 1: Write the proportion equation
15,169,727.02 : 20,934,223.35 = 8,294,209.09 : x - Step 2: Convert to fraction form
15,169,727.02/20,934,223.35 = 8,294,209.09/x - Step 3: Cross multiply
15,169,727.02x = 20,934,223.35 × 8,294,209.09 - Step 4: Simplify right side
15,169,727.02x = 173,632,825,601,660.25 - Step 5: Solve for x
x = 173,632,825,601,660.25/15,169,727.02 - Step 6: Final answer
x = 11,446,008.58
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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.