Finding the Fourth Proportional to 9,880,371.02, 13,634,618.63 and 5,470,292.81
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Solution
The fourth proportional to 9,880,371.02, 13,634,618.63 and 5,470,292.81 is: 7,548,841.65
Step by Step Solution
- Step 1: Write the proportion equation
9,880,371.02 : 13,634,618.63 = 5,470,292.81 : x - Step 2: Convert to fraction form
9,880,371.02/13,634,618.63 = 5,470,292.81/x - Step 3: Cross multiply
9,880,371.02x = 13,634,618.63 × 5,470,292.81 - Step 4: Simplify right side
9,880,371.02x = 74,585,356,265,516.12 - Step 5: Solve for x
x = 74,585,356,265,516.12/9,880,371.02 - Step 6: Final answer
x = 7,548,841.65
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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.