Finding the Fourth Proportional to 12,949,536.70, 19,424,305.05 and 4,429,114.30
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Solution
The fourth proportional to 12,949,536.70, 19,424,305.05 and 4,429,114.30 is: 6,643,671.45
Step by Step Solution
- Step 1: Write the proportion equation
12,949,536.70 : 19,424,305.05 = 4,429,114.30 : x - Step 2: Convert to fraction form
12,949,536.70/19,424,305.05 = 4,429,114.30/x - Step 3: Cross multiply
12,949,536.70x = 19,424,305.05 × 4,429,114.30 - Step 4: Simplify right side
12,949,536.70x = 86,032,467,264,517.22 - Step 5: Solve for x
x = 86,032,467,264,517.22/12,949,536.70 - Step 6: Final answer
x = 6,643,671.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.