Finding the Fourth Proportional to 10,781,457.44, 14,873,040.06 and 6,427,475.78
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Solution
The fourth proportional to 10,781,457.44, 14,873,040.06 and 6,427,475.78 is: 8,866,714.48
Step by Step Solution
- Step 1: Write the proportion equation
10,781,457.44 : 14,873,040.06 = 6,427,475.78 : x - Step 2: Convert to fraction form
10,781,457.44/14,873,040.06 = 6,427,475.78/x - Step 3: Cross multiply
10,781,457.44x = 14,873,040.06 × 6,427,475.78 - Step 4: Simplify right side
10,781,457.44x = 95,596,104,760,619.75 - Step 5: Solve for x
x = 95,596,104,760,619.75/10,781,457.44 - Step 6: Final answer
x = 8,866,714.48
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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.