Finding the Fourth Proportional to 13,156,720.01, 19,736,433.42 and 4,966,261.20
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Solution
The fourth proportional to 13,156,720.01, 19,736,433.42 and 4,966,261.20 is: 7,449,902.68
Step by Step Solution
- Step 1: Write the proportion equation
13,156,720.01 : 19,736,433.42 = 4,966,261.20 : x - Step 2: Convert to fraction form
13,156,720.01/19,736,433.42 = 4,966,261.20/x - Step 3: Cross multiply
13,156,720.01x = 19,736,433.42 × 4,966,261.20 - Step 4: Simplify right side
13,156,720.01x = 98,016,283,612,701.16 - Step 5: Solve for x
x = 98,016,283,612,701.16/13,156,720.01 - Step 6: Final answer
x = 7,449,902.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.