Finding the Fourth Proportional to 31,696,817.94, 47,542,901.40 and 10,125,627.75
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Solution
The fourth proportional to 31,696,817.94, 47,542,901.40 and 10,125,627.75 is: 15,187,698.74
Step by Step Solution
- Step 1: Write the proportion equation
31,696,817.94 : 47,542,901.40 = 10,125,627.75 : x - Step 2: Convert to fraction form
31,696,817.94/47,542,901.40 = 10,125,627.75/x - Step 3: Cross multiply
31,696,817.94x = 47,542,901.40 × 10,125,627.75 - Step 4: Simplify right side
31,696,817.94x = 481,401,721,731,353.81 - Step 5: Solve for x
x = 481,401,721,731,353.81/31,696,817.94 - Step 6: Final answer
x = 15,187,698.74
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.