Finding the Fourth Proportional to 30,476,212.97, 45,714,408.12 and 12,964,258.28
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Solution
The fourth proportional to 30,476,212.97, 45,714,408.12 and 12,964,258.28 is: 19,446,425.14
Step by Step Solution
- Step 1: Write the proportion equation
30,476,212.97 : 45,714,408.12 = 12,964,258.28 : x - Step 2: Convert to fraction form
30,476,212.97/45,714,408.12 = 12,964,258.28/x - Step 3: Cross multiply
30,476,212.97x = 45,714,408.12 × 12,964,258.28 - Step 4: Simplify right side
30,476,212.97x = 592,653,394,099,295.25 - Step 5: Solve for x
x = 592,653,394,099,295.25/30,476,212.97 - Step 6: Final answer
x = 19,446,425.14
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1.5x scale
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.