Finding the Fourth Proportional to 19,496,616.96, 26,905,615.92 and 11,232,120
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Solution
The fourth proportional to 19,496,616.96, 26,905,615.92 and 11,232,120 is: 15,500,489.51
Step by Step Solution
- Step 1: Write the proportion equation
19,496,616.96 : 26,905,615.92 = 11,232,120 : x - Step 2: Convert to fraction form
19,496,616.96/26,905,615.92 = 11,232,120/x - Step 3: Cross multiply
19,496,616.96x = 26,905,615.92 × 11,232,120 - Step 4: Simplify right side
19,496,616.96x = 302,207,106,687,350.44 - Step 5: Solve for x
x = 302,207,106,687,350.44/19,496,616.96 - Step 6: Final answer
x = 15,500,489.51
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1.5x scale
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.