Finding the Fourth Proportional to 14,921,690.40, 22,382,535.60 and 10,386,727.20
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Solution
The fourth proportional to 14,921,690.40, 22,382,535.60 and 10,386,727.20 is: 15,580,090.80
Step by Step Solution
- Step 1: Write the proportion equation
14,921,690.40 : 22,382,535.60 = 10,386,727.20 : x - Step 2: Convert to fraction form
14,921,690.40/22,382,535.60 = 10,386,727.20/x - Step 3: Cross multiply
14,921,690.40x = 22,382,535.60 × 10,386,727.20 - Step 4: Simplify right side
14,921,690.40x = 232,481,291,321,488.31 - Step 5: Solve for x
x = 232,481,291,321,488.31/14,921,690.40 - Step 6: Final answer
x = 15,580,090.80
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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.