Finding the Fourth Proportional to 12,801,076.99, 19,201,634.97 and 5,228,042.74
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Solution
The fourth proportional to 12,801,076.99, 19,201,634.97 and 5,228,042.74 is: 7,842,072.07
Step by Step Solution
- Step 1: Write the proportion equation
12,801,076.99 : 19,201,634.97 = 5,228,042.74 : x - Step 2: Convert to fraction form
12,801,076.99/19,201,634.97 = 5,228,042.74/x - Step 3: Cross multiply
12,801,076.99x = 19,201,634.97 × 5,228,042.74 - Step 4: Simplify right side
12,801,076.99x = 100,386,968,301,038.61 - Step 5: Solve for x
x = 100,386,968,301,038.61/12,801,076.99 - Step 6: Final answer
x = 7,842,072.07
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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.