Finding the Fourth Proportional to 20,562,366.68, 28,388,968.18 and 13,232,937.50
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Solution
The fourth proportional to 20,562,366.68, 28,388,968.18 and 13,232,937.50 is: 18,269,756.95
Step by Step Solution
- Step 1: Write the proportion equation
20,562,366.68 : 28,388,968.18 = 13,232,937.50 : x - Step 2: Convert to fraction form
20,562,366.68/28,388,968.18 = 13,232,937.50/x - Step 3: Cross multiply
20,562,366.68x = 28,388,968.18 × 13,232,937.50 - Step 4: Simplify right side
20,562,366.68x = 375,669,441,615,428.75 - Step 5: Solve for x
x = 375,669,441,615,428.75/20,562,366.68 - Step 6: Final answer
x = 18,269,756.95
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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.