Finding the Fourth Proportional to 14,272,791.83, 19,696,472.21 and 7,746,421.37
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Solution
The fourth proportional to 14,272,791.83, 19,696,472.21 and 7,746,421.37 is: 10,690,072.07
Step by Step Solution
- Step 1: Write the proportion equation
14,272,791.83 : 19,696,472.21 = 7,746,421.37 : x - Step 2: Convert to fraction form
14,272,791.83/19,696,472.21 = 7,746,421.37/x - Step 3: Cross multiply
14,272,791.83x = 19,696,472.21 × 7,746,421.37 - Step 4: Simplify right side
14,272,791.83x = 152,577,173,241,155.12 - Step 5: Solve for x
x = 152,577,173,241,155.12/14,272,791.83 - Step 6: Final answer
x = 10,690,072.07
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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.