Finding the Fourth Proportional to 19,496,885.36, 29,245,660.20 and 7,372,058.94
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Solution
The fourth proportional to 19,496,885.36, 29,245,660.20 and 7,372,058.94 is: 11,058,214.01
Step by Step Solution
- Step 1: Write the proportion equation
19,496,885.36 : 29,245,660.20 = 7,372,058.94 : x - Step 2: Convert to fraction form
19,496,885.36/29,245,660.20 = 7,372,058.94/x - Step 3: Cross multiply
19,496,885.36x = 29,245,660.20 × 7,372,058.94 - Step 4: Simplify right side
19,496,885.36x = 215,600,730,733,612.19 - Step 5: Solve for x
x = 215,600,730,733,612.19/19,496,885.36 - Step 6: Final answer
x = 11,058,214.01
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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.