Finding the Fourth Proportional to 10,643,899.20, 14,684,412.96 and 6,562,432.32
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Solution
The fourth proportional to 10,643,899.20, 14,684,412.96 and 6,562,432.32 is: 9,053,586.89
Step by Step Solution
- Step 1: Write the proportion equation
10,643,899.20 : 14,684,412.96 = 6,562,432.32 : x - Step 2: Convert to fraction form
10,643,899.20/14,684,412.96 = 6,562,432.32/x - Step 3: Cross multiply
10,643,899.20x = 14,684,412.96 × 6,562,432.32 - Step 4: Simplify right side
10,643,899.20x = 96,365,466,208,930.88 - Step 5: Solve for x
x = 96,365,466,208,930.88/10,643,899.20 - Step 6: Final answer
x = 9,053,586.89
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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.