Finding the Fourth Proportional to 13,670,906.84, 20,508,399.02 and 5,034,343.08
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Solution
The fourth proportional to 13,670,906.84, 20,508,399.02 and 5,034,343.08 is: 7,552,265.40
Step by Step Solution
- Step 1: Write the proportion equation
13,670,906.84 : 20,508,399.02 = 5,034,343.08 : x - Step 2: Convert to fraction form
13,670,906.84/20,508,399.02 = 5,034,343.08/x - Step 3: Cross multiply
13,670,906.84x = 20,508,399.02 × 5,034,343.08 - Step 4: Simplify right side
13,670,906.84x = 103,246,316,688,215.78 - Step 5: Solve for x
x = 103,246,316,688,215.78/13,670,906.84 - Step 6: Final answer
x = 7,552,265.40
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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.