Finding the Fourth Proportional to 16,431,438.55, 22,669,877.71 and 9,461,965.88
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Solution
The fourth proportional to 16,431,438.55, 22,669,877.71 and 9,461,965.88 is: 13,054,341.45
Step by Step Solution
- Step 1: Write the proportion equation
16,431,438.55 : 22,669,877.71 = 9,461,965.88 : x - Step 2: Convert to fraction form
16,431,438.55/22,669,877.71 = 9,461,965.88/x - Step 3: Cross multiply
16,431,438.55x = 22,669,877.71 × 9,461,965.88 - Step 4: Simplify right side
16,431,438.55x = 214,501,609,258,788.22 - Step 5: Solve for x
x = 214,501,609,258,788.22/16,431,438.55 - Step 6: Final answer
x = 13,054,341.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.