Finding the Fourth Proportional to 8,839,919.05, 12,197,749.71 and 4,973,390.53
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Solution
The fourth proportional to 8,839,919.05, 12,197,749.71 and 4,973,390.53 is: 6,862,525.84
Step by Step Solution
- Step 1: Write the proportion equation
8,839,919.05 : 12,197,749.71 = 4,973,390.53 : x - Step 2: Convert to fraction form
8,839,919.05/12,197,749.71 = 4,973,390.53/x - Step 3: Cross multiply
8,839,919.05x = 12,197,749.71 × 4,973,390.53 - Step 4: Simplify right side
8,839,919.05x = 60,664,172,895,024.26 - Step 5: Solve for x
x = 60,664,172,895,024.26/8,839,919.05 - Step 6: Final answer
x = 6,862,525.84
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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.