Finding the Fourth Proportional to 14,017,445.02, 19,340,418.63 and 8,213,108.14
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Solution
The fourth proportional to 14,017,445.02, 19,340,418.63 and 8,213,108.14 is: 11,331,947.40
Step by Step Solution
- Step 1: Write the proportion equation
14,017,445.02 : 19,340,418.63 = 8,213,108.14 : x - Step 2: Convert to fraction form
14,017,445.02/19,340,418.63 = 8,213,108.14/x - Step 3: Cross multiply
14,017,445.02x = 19,340,418.63 × 8,213,108.14 - Step 4: Simplify right side
14,017,445.02x = 158,844,949,681,060.62 - Step 5: Solve for x
x = 158,844,949,681,060.62/14,017,445.02 - Step 6: Final answer
x = 11,331,947.40
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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.