Finding the Fourth Proportional to 15,275,326.70, 22,917,772.29 and 5,047,372.88
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Solution
The fourth proportional to 15,275,326.70, 22,917,772.29 and 5,047,372.88 is: 7,572,639.50
Step by Step Solution
- Step 1: Write the proportion equation
15,275,326.70 : 22,917,772.29 = 5,047,372.88 : x - Step 2: Convert to fraction form
15,275,326.70/22,917,772.29 = 5,047,372.88/x - Step 3: Cross multiply
15,275,326.70x = 22,917,772.29 × 5,047,372.88 - Step 4: Simplify right side
15,275,326.70x = 115,674,542,326,561.48 - Step 5: Solve for x
x = 115,674,542,326,561.48/15,275,326.70 - Step 6: Final answer
x = 7,572,639.50
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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.