Finding the Fourth Proportional to 11,134,103.55, 15,365,441.12 and 10,623,920.19
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Solution
The fourth proportional to 11,134,103.55, 15,365,441.12 and 10,623,920.19 is: 14,661,370.75
Step by Step Solution
- Step 1: Write the proportion equation
11,134,103.55 : 15,365,441.12 = 10,623,920.19 : x - Step 2: Convert to fraction form
11,134,103.55/15,365,441.12 = 10,623,920.19/x - Step 3: Cross multiply
11,134,103.55x = 15,365,441.12 × 10,623,920.19 - Step 4: Simplify right side
11,134,103.55x = 163,241,220,089,904.59 - Step 5: Solve for x
x = 163,241,220,089,904.59/11,134,103.55 - Step 6: Final answer
x = 14,661,370.75
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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.