Finding the Fourth Proportional to 21,356,303.62, 29,471,551.77 and 11,566,523.74
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Solution
The fourth proportional to 21,356,303.62, 29,471,551.77 and 11,566,523.74 is: 15,961,723.02
Step by Step Solution
- Step 1: Write the proportion equation
21,356,303.62 : 29,471,551.77 = 11,566,523.74 : x - Step 2: Convert to fraction form
21,356,303.62/29,471,551.77 = 11,566,523.74/x - Step 3: Cross multiply
21,356,303.62x = 29,471,551.77 × 11,566,523.74 - Step 4: Simplify right side
21,356,303.62x = 340,883,403,202,344 - Step 5: Solve for x
x = 340,883,403,202,344/21,356,303.62 - Step 6: Final answer
x = 15,961,723.02
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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.