Finding the Fourth Proportional to 13,146,425.79, 19,719,047.03 and 8,830,294.53
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Solution
The fourth proportional to 13,146,425.79, 19,719,047.03 and 8,830,294.53 is: 13,245,044.38
Step by Step Solution
- Step 1: Write the proportion equation
13,146,425.79 : 19,719,047.03 = 8,830,294.53 : x - Step 2: Convert to fraction form
13,146,425.79/19,719,047.03 = 8,830,294.53/x - Step 3: Cross multiply
13,146,425.79x = 19,719,047.03 × 8,830,294.53 - Step 4: Simplify right side
13,146,425.79x = 174,124,993,081,670.25 - Step 5: Solve for x
x = 174,124,993,081,670.25/13,146,425.79 - Step 6: Final answer
x = 13,245,044.38
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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.