Finding the Fourth Proportional to 19,648,877.92, 27,097,059.16 and 15,528,751.88
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Solution
The fourth proportional to 19,648,877.92, 27,097,059.16 and 15,528,751.88 is: 21,415,141.88
Step by Step Solution
- Step 1: Write the proportion equation
19,648,877.92 : 27,097,059.16 = 15,528,751.88 : x - Step 2: Convert to fraction form
19,648,877.92/27,097,059.16 = 15,528,751.88/x - Step 3: Cross multiply
19,648,877.92x = 27,097,059.16 × 15,528,751.88 - Step 4: Simplify right side
19,648,877.92x = 420,783,508,373,321.25 - Step 5: Solve for x
x = 420,783,508,373,321.25/19,648,877.92 - Step 6: Final answer
x = 21,415,141.88
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.