Finding the Fourth Proportional to 10,366,291.72, 14,305,465.47 and 5,720,073.09
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Solution
The fourth proportional to 10,366,291.72, 14,305,465.47 and 5,720,073.09 is: 7,893,691.43
Step by Step Solution
- Step 1: Write the proportion equation
10,366,291.72 : 14,305,465.47 = 5,720,073.09 : x - Step 2: Convert to fraction form
10,366,291.72/14,305,465.47 = 5,720,073.09/x - Step 3: Cross multiply
10,366,291.72x = 14,305,465.47 × 5,720,073.09 - Step 4: Simplify right side
10,366,291.72x = 81,828,308,074,871.20 - Step 5: Solve for x
x = 81,828,308,074,871.20/10,366,291.72 - Step 6: Final answer
x = 7,893,691.43
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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.