Finding the Fourth Proportional to 21,241,819,029.12, 29,313,803,887.56 and 11,726,448,969.12
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Solution
The fourth proportional to 21,241,819,029.12, 29,313,803,887.56 and 11,726,448,969.12 is: 16,182,551,263.95
Step by Step Solution
- Step 1: Write the proportion equation
21,241,819,029.12 : 29,313,803,887.56 = 11,726,448,969.12 : x - Step 2: Convert to fraction form
21,241,819,029.12/29,313,803,887.56 = 11,726,448,969.12/x - Step 3: Cross multiply
21,241,819,029.12x = 29,313,803,887.56 × 11,726,448,969.12 - Step 4: Simplify right side
21,241,819,029.12x = 343,746,825,378,263,859,200 - Step 5: Solve for x
x = 343,746,825,378,263,859,200/21,241,819,029.12 - Step 6: Final answer
x = 16,182,551,263.95
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1.5x scale
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.