Finding the Fourth Proportional to 21,347,060.94, 29,459,174.85 and 11,557,708.74
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Solution
The fourth proportional to 21,347,060.94, 29,459,174.85 and 11,557,708.74 is: 15,949,763.00
Step by Step Solution
- Step 1: Write the proportion equation
21,347,060.94 : 29,459,174.85 = 11,557,708.74 : x - Step 2: Convert to fraction form
21,347,060.94/29,459,174.85 = 11,557,708.74/x - Step 3: Cross multiply
21,347,060.94x = 29,459,174.85 × 11,557,708.74 - Step 4: Simplify right side
21,347,060.94x = 340,480,562,637,033.19 - Step 5: Solve for x
x = 340,480,562,637,033.19/21,347,060.94 - Step 6: Final answer
x = 15,949,763.00
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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.