Finding the Fourth Proportional to 21,302,405,739.77, 29,397,354,358.28 and 11,787,358,529.93
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Solution
The fourth proportional to 21,302,405,739.77, 29,397,354,358.28 and 11,787,358,529.93 is: 16,266,573,826.70
Step by Step Solution
- Step 1: Write the proportion equation
21,302,405,739.77 : 29,397,354,358.28 = 11,787,358,529.93 : x - Step 2: Convert to fraction form
21,302,405,739.77/29,397,354,358.28 = 11,787,358,529.93/x - Step 3: Cross multiply
21,302,405,739.77x = 29,397,354,358.28 × 11,787,358,529.93 - Step 4: Simplify right side
21,302,405,739.77x = 346,517,155,652,240,670,720 - Step 5: Solve for x
x = 346,517,155,652,240,670,720/21,302,405,739.77 - Step 6: Final answer
x = 16,266,573,826.70
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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.