Finding the Fourth Proportional to 14,188,636.47, 19,580,317.99 and 7,662,265.40
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Solution
The fourth proportional to 14,188,636.47, 19,580,317.99 and 7,662,265.40 is: 10,573,926.06
Step by Step Solution
- Step 1: Write the proportion equation
14,188,636.47 : 19,580,317.99 = 7,662,265.40 : x - Step 2: Convert to fraction form
14,188,636.47/19,580,317.99 = 7,662,265.40/x - Step 3: Cross multiply
14,188,636.47x = 19,580,317.99 × 7,662,265.40 - Step 4: Simplify right side
14,188,636.47x = 150,029,592,974,240.75 - Step 5: Solve for x
x = 150,029,592,974,240.75/14,188,636.47 - Step 6: Final answer
x = 10,573,926.06
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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.