Finding the Fourth Proportional to 63,038,936.87, 87,021,628.03 and 40,722,803.97
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Solution
The fourth proportional to 63,038,936.87, 87,021,628.03 and 40,722,803.97 is: 56,215,489.59
Step by Step Solution
- Step 1: Write the proportion equation
63,038,936.87 : 87,021,628.03 = 40,722,803.97 : x - Step 2: Convert to fraction form
63,038,936.87/87,021,628.03 = 40,722,803.97/x - Step 3: Cross multiply
63,038,936.87x = 87,021,628.03 × 40,722,803.97 - Step 4: Simplify right side
63,038,936.87x = 3,543,764,699,140,520 - Step 5: Solve for x
x = 3,543,764,699,140,520/63,038,936.87 - Step 6: Final answer
x = 56,215,489.59
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.