Finding the Fourth Proportional to 14,046,965.12, 21,070,294.08 and 3,409,397.12
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Solution
The fourth proportional to 14,046,965.12, 21,070,294.08 and 3,409,397.12 is: 5,114,058.40
Step by Step Solution
- Step 1: Write the proportion equation
14,046,965.12 : 21,070,294.08 = 3,409,397.12 : x - Step 2: Convert to fraction form
14,046,965.12/21,070,294.08 = 3,409,397.12/x - Step 3: Cross multiply
14,046,965.12x = 21,070,294.08 × 3,409,397.12 - Step 4: Simplify right side
14,046,965.12x = 71,836,999,953,905.05 - Step 5: Solve for x
x = 71,836,999,953,905.05/14,046,965.12 - Step 6: Final answer
x = 5,114,058.40
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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.