Finding the Fourth Proportional to 13,138,801.49, 19,680,719.94 and 10,566,085.97
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Solution
The fourth proportional to 13,138,801.49, 19,680,719.94 and 10,566,085.97 is: 15,827,027.98
Step by Step Solution
- Step 1: Write the proportion equation
13,138,801.49 : 19,680,719.94 = 10,566,085.97 : x - Step 2: Convert to fraction form
13,138,801.49/19,680,719.94 = 10,566,085.97/x - Step 3: Cross multiply
13,138,801.49x = 19,680,719.94 × 10,566,085.97 - Step 4: Simplify right side
13,138,801.49x = 207,948,178,739,129.66 - Step 5: Solve for x
x = 207,948,178,739,129.66/13,138,801.49 - Step 6: Final answer
x = 15,827,027.98
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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.