Finding the Fourth Proportional to 7,966,075.68, 10,991,535.84 and 4,657,733.28
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Solution
The fourth proportional to 7,966,075.68, 10,991,535.84 and 4,657,733.28 is: 6,426,708.00
Step by Step Solution
- Step 1: Write the proportion equation
7,966,075.68 : 10,991,535.84 = 4,657,733.28 : x - Step 2: Convert to fraction form
7,966,075.68/10,991,535.84 = 4,657,733.28/x - Step 3: Cross multiply
7,966,075.68x = 10,991,535.84 × 4,657,733.28 - Step 4: Simplify right side
7,966,075.68x = 51,195,642,280,280.76 - Step 5: Solve for x
x = 51,195,642,280,280.76/7,966,075.68 - Step 6: Final answer
x = 6,426,708.00
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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.