Finding the Fourth Proportional to 15,747,810.08, 21,731,977.92 and 8,504,466.08
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Solution
The fourth proportional to 15,747,810.08, 21,731,977.92 and 8,504,466.08 is: 11,736,163.20
Step by Step Solution
- Step 1: Write the proportion equation
15,747,810.08 : 21,731,977.92 = 8,504,466.08 : x - Step 2: Convert to fraction form
15,747,810.08/21,731,977.92 = 8,504,466.08/x - Step 3: Cross multiply
15,747,810.08x = 21,731,977.92 × 8,504,466.08 - Step 4: Simplify right side
15,747,810.08x = 184,818,869,071,948.97 - Step 5: Solve for x
x = 184,818,869,071,948.97/15,747,810.08 - Step 6: Final answer
x = 11,736,163.20
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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.