Finding the Fourth Proportional to 14,283,211.55, 19,716,863.76 and 9,643,281.98
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Solution
The fourth proportional to 14,283,211.55, 19,716,863.76 and 9,643,281.98 is: 13,311,801.50
Step by Step Solution
- Step 1: Write the proportion equation
14,283,211.55 : 19,716,863.76 = 9,643,281.98 : x - Step 2: Convert to fraction form
14,283,211.55/19,716,863.76 = 9,643,281.98/x - Step 3: Cross multiply
14,283,211.55x = 19,716,863.76 × 9,643,281.98 - Step 4: Simplify right side
14,283,211.55x = 190,135,276,900,338.75 - Step 5: Solve for x
x = 190,135,276,900,338.75/14,283,211.55 - Step 6: Final answer
x = 13,311,801.50
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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.