Finding the Fourth Proportional to 14,352,495.58, 19,790,354.19 and 11,730,865.78
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Solution
The fourth proportional to 14,352,495.58, 19,790,354.19 and 11,730,865.78 is: 16,175,444.02
Step by Step Solution
- Step 1: Write the proportion equation
14,352,495.58 : 19,790,354.19 = 11,730,865.78 : x - Step 2: Convert to fraction form
14,352,495.58/19,790,354.19 = 11,730,865.78/x - Step 3: Cross multiply
14,352,495.58x = 19,790,354.19 × 11,730,865.78 - Step 4: Simplify right side
14,352,495.58x = 232,157,988,741,550.62 - Step 5: Solve for x
x = 232,157,988,741,550.62/14,352,495.58 - Step 6: Final answer
x = 16,175,444.02
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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.