Finding the Fourth Proportional to 28,764,756.99, 39,682,724.81 and 17,601,781.68
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Solution
The fourth proportional to 28,764,756.99, 39,682,724.81 and 17,601,781.68 is: 24,282,724.12
Step by Step Solution
- Step 1: Write the proportion equation
28,764,756.99 : 39,682,724.81 = 17,601,781.68 : x - Step 2: Convert to fraction form
28,764,756.99/39,682,724.81 = 17,601,781.68/x - Step 3: Cross multiply
28,764,756.99x = 39,682,724.81 × 17,601,781.68 - Step 4: Simplify right side
28,764,756.99x = 698,486,658,485,130.50 - Step 5: Solve for x
x = 698,486,658,485,130.50/28,764,756.99 - Step 6: Final answer
x = 24,282,724.12
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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.