Finding the Fourth Proportional to 7,574,037.76, 10,452,210.60 and 4,136,278.69
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Solution
The fourth proportional to 7,574,037.76, 10,452,210.60 and 4,136,278.69 is: 5,708,085.61
Step by Step Solution
- Step 1: Write the proportion equation
7,574,037.76 : 10,452,210.60 = 4,136,278.69 : x - Step 2: Convert to fraction form
7,574,037.76/10,452,210.60 = 4,136,278.69/x - Step 3: Cross multiply
7,574,037.76x = 10,452,210.60 × 4,136,278.69 - Step 4: Simplify right side
7,574,037.76x = 43,233,255,968,172.11 - Step 5: Solve for x
x = 43,233,255,968,172.11/7,574,037.76 - Step 6: Final answer
x = 5,708,085.61
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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.