Finding the Fourth Proportional to 8,806,838.40, 13,210,257.60 and 6,119,452.80
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Solution
The fourth proportional to 8,806,838.40, 13,210,257.60 and 6,119,452.80 is: 9,179,179.20
Step by Step Solution
- Step 1: Write the proportion equation
8,806,838.40 : 13,210,257.60 = 6,119,452.80 : x - Step 2: Convert to fraction form
8,806,838.40/13,210,257.60 = 6,119,452.80/x - Step 3: Cross multiply
8,806,838.40x = 13,210,257.60 × 6,119,452.80 - Step 4: Simplify right side
8,806,838.40x = 80,839,547,859,041.28 - Step 5: Solve for x
x = 80,839,547,859,041.28/8,806,838.40 - Step 6: Final answer
x = 9,179,179.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.